cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A226811 Numbers of the form 2^j + 6^k, for j and k >= 0.

Original entry on oeis.org

2, 3, 5, 7, 8, 9, 10, 14, 17, 22, 33, 37, 38, 40, 44, 52, 65, 68, 70, 100, 129, 134, 164, 217, 218, 220, 224, 232, 248, 257, 262, 280, 292, 344, 472, 513, 518, 548, 728, 1025, 1030, 1060, 1240, 1297, 1298, 1300, 1304, 1312, 1328, 1360, 1424, 1552, 1808, 2049
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 2; b = 6; mx = 3000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226813 Numbers of the form 4^j + 6^k, for j and k >= 0.

Original entry on oeis.org

2, 5, 7, 10, 17, 22, 37, 40, 52, 65, 70, 100, 217, 220, 232, 257, 262, 280, 292, 472, 1025, 1030, 1060, 1240, 1297, 1300, 1312, 1360, 1552, 2320, 4097, 4102, 4132, 4312, 5392, 7777, 7780, 7792, 7840, 8032, 8800, 11872, 16385, 16390, 16420, 16600, 17680, 24160
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 4; b = 6; mx = 25000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226815 Numbers of the form 2^j + 7^k, for j and k >= 0.

Original entry on oeis.org

2, 3, 5, 8, 9, 11, 15, 17, 23, 33, 39, 50, 51, 53, 57, 65, 71, 81, 113, 129, 135, 177, 257, 263, 305, 344, 345, 347, 351, 359, 375, 407, 471, 513, 519, 561, 599, 855, 1025, 1031, 1073, 1367, 2049, 2055, 2097, 2391, 2402, 2403, 2405, 2409, 2417, 2433, 2465
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 2; b = 7; mx = 3000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226817 Numbers of the form 4^j + 7^k, for j and k >= 0.

Original entry on oeis.org

2, 5, 8, 11, 17, 23, 50, 53, 65, 71, 113, 257, 263, 305, 344, 347, 359, 407, 599, 1025, 1031, 1073, 1367, 2402, 2405, 2417, 2465, 2657, 3425, 4097, 4103, 4145, 4439, 6497, 16385, 16391, 16433, 16727, 16808, 16811, 16823, 16871, 17063, 17831, 18785, 20903
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 4; b = 7; mx = 30000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226820 Numbers of the form 2^j + 8^k, for j and k >= 0.

Original entry on oeis.org

2, 3, 5, 9, 10, 12, 16, 17, 24, 33, 40, 65, 66, 68, 72, 80, 96, 128, 129, 136, 192, 257, 264, 320, 513, 514, 516, 520, 528, 544, 576, 640, 768, 1024, 1025, 1032, 1088, 1536, 2049, 2056, 2112, 2560, 4097, 4098, 4100, 4104, 4112, 4128, 4160, 4224, 4352, 4608
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 2; b = 8; mx = 5000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226821 Numbers of the form 3^j + 8^k, for j and k >= 0.

Original entry on oeis.org

2, 4, 9, 10, 11, 17, 28, 35, 65, 67, 73, 82, 89, 91, 145, 244, 251, 307, 513, 515, 521, 539, 593, 730, 737, 755, 793, 1241, 2188, 2195, 2251, 2699, 4097, 4099, 4105, 4123, 4177, 4339, 4825, 6283, 6562, 6569, 6625, 7073, 10657, 19684, 19691, 19747, 20195, 23779
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 3; b = 8; mx = 25000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226822 Numbers of the form 4^j + 8^k, for j and k >= 0.

Original entry on oeis.org

2, 5, 9, 12, 17, 24, 65, 68, 72, 80, 128, 257, 264, 320, 513, 516, 528, 576, 768, 1025, 1032, 1088, 1536, 4097, 4100, 4104, 4112, 4160, 4352, 4608, 5120, 8192, 16385, 16392, 16448, 16896, 20480, 32769, 32772, 32784, 32832, 33024, 33792, 36864, 49152, 65537
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 4; b = 8; mx = 70000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]
With[{upto=66000},Select[Union[4^#[[1]]+8^#[[2]]&/@Tuples[Range[ 0,Log[ 4,upto]],2]],#<=upto&]] (* Harvey P. Dale, Sep 15 2019 *)

A226823 Numbers of the form 5^j + 8^k, for j and k >= 0.

Original entry on oeis.org

2, 6, 9, 13, 26, 33, 65, 69, 89, 126, 133, 189, 513, 517, 537, 626, 633, 637, 689, 1137, 3126, 3133, 3189, 3637, 4097, 4101, 4121, 4221, 4721, 7221, 15626, 15633, 15689, 16137, 19721, 32769, 32773, 32793, 32893, 33393, 35893, 48393, 78126, 78133, 78189, 78637
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 5; b = 8; mx = 80000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226824 Numbers of the form 6^j + 8^k, for j and k >= 0.

Original entry on oeis.org

2, 7, 9, 14, 37, 44, 65, 70, 100, 217, 224, 280, 513, 518, 548, 728, 1297, 1304, 1360, 1808, 4097, 4102, 4132, 4312, 5392, 7777, 7784, 7840, 8288, 11872, 32769, 32774, 32804, 32984, 34064, 40544, 46657, 46664, 46720, 47168, 50752, 79424, 262145, 262150, 262180
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 6; b = 8; mx = 300000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]

A226826 Numbers of the form 2^j + 9^k, for j and k >= 0.

Original entry on oeis.org

2, 3, 5, 9, 10, 11, 13, 17, 25, 33, 41, 65, 73, 82, 83, 85, 89, 97, 113, 129, 137, 145, 209, 257, 265, 337, 513, 521, 593, 730, 731, 733, 737, 745, 761, 793, 857, 985, 1025, 1033, 1105, 1241, 1753, 2049, 2057, 2129, 2777, 4097, 4105, 4177, 4825, 6562, 6563
Offset: 1

Views

Author

T. D. Noe, Jun 19 2013

Keywords

Links

Crossrefs

Cf. A004050 (2^j + 3^k), A226806-A226832 (cases to 8^j + 9^k).

Programs

  • Mathematica
    a = 2; b = 9; mx = 7000; Union[Flatten[Table[a^n + b^m, {m, 0, Log[b, mx]}, {n, 0, Log[a, mx - b^m]}]]]
Previous Showing 21-30 of 34 results. Next

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