A017995 -id:A017995 - cp's OEIS frontend

A018013 Powers of cube root of 13 rounded to nearest integer.

1, 2, 6, 13, 31, 72, 169, 397, 934, 2197, 5166, 12147, 28561, 67156, 157907, 371293, 873034, 2052795, 4826809, 11349443, 26686340, 62748517, 147542765, 346922420, 815730721, 1918055940, 4509991465, 10604499373, 24934727222, 58629889045

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), this sequence (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(13^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[13^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)

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A018016 Powers of cube root of 14 rounded to nearest integer.

Original entry on oeis.org

1, 2, 6, 14, 34, 81, 196, 472, 1139, 2744, 6613, 15939, 38416, 92588, 223150, 537824, 1296232, 3124104, 7529536, 18147253, 43737461, 105413504, 254061541, 612324458, 1475789056, 3556861577, 8572542414, 20661046784, 49796062076, 120015593799

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), this sequence (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(14^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[14^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)

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A018019 Powers of cube root of 15 rounded to nearest integer.

Original entry on oeis.org

1, 2, 6, 15, 37, 91, 225, 555, 1368, 3375, 8323, 20527, 50625, 124852, 307911, 759375, 1872780, 4618672, 11390625, 28091697, 69280082, 170859375, 421375454, 1039201232, 2562890625, 6320631805, 15588018474, 38443359375, 94809477068, 233820277107

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), this sequence (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(15^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

With[{c=15^(1/3)},Floor[c^Range[0,30]+1/2]] (* Harvey P. Dale, Apr 18 2012 *)
Table[Round[15^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)

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A018022 Powers of cube root of 16 rounded to nearest integer.

Original entry on oeis.org

1, 3, 6, 16, 40, 102, 256, 645, 1625, 4096, 10321, 26008, 65536, 165140, 416128, 1048576, 2642246, 6658043, 16777216, 42275935, 106528681, 268435456, 676414963, 1704458901, 4294967296, 10822639410, 27271342415, 68719476736, 173162230555

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), this sequence (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(16^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[16^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)
Round[CubeRoot[16]^Range[0,40]] (* Harvey P. Dale, Oct 10 2024 *)

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A018028 Powers of cube root of 18 rounded to nearest integer.

Original entry on oeis.org

1, 3, 7, 18, 47, 124, 324, 849, 2225, 5832, 15284, 40056, 104976, 275115, 721005, 1889568, 4952069, 12978092, 34012224, 89137243, 233605663, 612220032, 1604470380, 4204901941, 11019960576, 28880466844, 75688234942, 198359290368, 519848403193, 1362388228962

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), this sequence (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(18^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[18^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)
Round[Surd[18,3]^Range[0,40]] (* Harvey P. Dale, Nov 24 2017 *)

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A018031 Powers of cube root of 19 rounded to nearest integer.

Original entry on oeis.org

1, 3, 7, 19, 51, 135, 361, 963, 2570, 6859, 18303, 48839, 130321, 347749, 927933, 2476099, 6607227, 17630734, 47045881, 125537306, 334983955, 893871739, 2385208822, 6364695153, 16983563041, 45318967620, 120929207915, 322687697779, 861060384776, 2297654950385

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), this sequence (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(19^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[19^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)

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A018034 Powers of cube root of 20 rounded to nearest integer.

Original entry on oeis.org

1, 3, 7, 20, 54, 147, 400, 1086, 2947, 8000, 21715, 58945, 160000, 434307, 1178890, 3200000, 8686136, 23577802, 64000000, 173722727, 471556032, 1280000000, 3474454549, 9431120637, 25600000000, 69489090985, 188622412730, 512000000000, 1389781819697

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), this sequence (k=20), A018037 (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(20^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[20^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)
Table[Round[Surd[20,3]^n],{n,0,40}] (* Harvey P. Dale, Sep 10 2021 *)

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A018037 Powers of cube root of 21 rounded to nearest integer.

Original entry on oeis.org

1, 3, 8, 21, 58, 160, 441, 1217, 3357, 9261, 25550, 70492, 194481, 536558, 1480324, 4084101, 11267725, 31086799, 85766121, 236622225, 652822777, 1801088541, 4969066720, 13709278307, 37822859361, 104350401111, 287894844440, 794280046581, 2191358423329

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), this sequence (k=21), A018040 (k=22), A018043 (k=23), A018046 (k=24).

[Round(21^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 08 2014

Table[Round[21^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 08 2014 *)

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A018040 Powers of cube root of 22 rounded to nearest integer.

Original entry on oeis.org

1, 3, 8, 22, 62, 173, 484, 1356, 3800, 10648, 29836, 83602, 234256, 656395, 1839243, 5153632, 14440680, 40463352, 113379904, 317694950, 890193746, 2494357888, 6989288907, 19584262410, 54875873536, 153764355952, 430853773030, 1207269217792, 3382815830943

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), this sequence (k=22), A018043 (k=23), A018046 (k=24).

[Round(22^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 09 2014

Table[Round[22^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 09 2014 *)
Round[Surd[22,3]^Range[0,30]] (* Harvey P. Dale, Sep 30 2016 *)

More terms from Vincenzo Librandi, Jan 09 2014

A018043 Powers of cube root of 23 rounded to nearest integer.

Original entry on oeis.org

1, 3, 8, 23, 65, 186, 529, 1504, 4278, 12167, 34601, 98402, 279841, 795831, 2263236, 6436343, 18304103, 52054435, 148035889, 420994377, 1197252006, 3404825447, 9682870661, 27536796143, 78310985281, 222706025200, 633346311281, 1801152661463, 5122238579606

Offset: 0

N. J. A. Sloane

nonn

Vincenzo Librandi, Table of n, a(n) for n = 0..200

Cf. powers of cube root of k rounded up: A017980 (k=2), A017983 (k=3), A017986 (k=4), A017989 (k=5), A017992 (k=6), A017995 (k=7), A018001 (k=9), A018004 (k=10), A018007 (k=11), A018010 (k=12), A018013 (k=13), A018016 (k=14), A018019 (k=15), A018022 (k=16), A018025 (k=17), A018028 (k=18), A018031 (k=19), A018034 (k=20), A018037 (k=21), A018040 (k=22), this sequence (k=23), A018046 (k=24).

[Round(23^(n/3)): n in [0..40]]; // Vincenzo Librandi, Jan 09 2014

Round[(Power[23, 1/3])^Range[0,40]]  (* Harvey P. Dale, Jan 13 2011 *)
Table[Round[23^(n/3)], {n, 0, 40}] (* Vincenzo Librandi, Jan 09 2014 *)

vector(40, n, n--; round(23^(n/3)) ) \\ G. C. Greubel, May 19 2019

[round(23^(n/3)) for n in (0..40)] # G. C. Greubel, May 19 2019

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A018013 Powers of cube root of 13 rounded to nearest integer.

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A018016 Powers of cube root of 14 rounded to nearest integer.

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A018019 Powers of cube root of 15 rounded to nearest integer.

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A018022 Powers of cube root of 16 rounded to nearest integer.

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A018028 Powers of cube root of 18 rounded to nearest integer.

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A018031 Powers of cube root of 19 rounded to nearest integer.

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A018034 Powers of cube root of 20 rounded to nearest integer.

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A018037 Powers of cube root of 21 rounded to nearest integer.

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