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.

Showing 1-10 of 13 results. Next

A165076 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives numbers belonging to cycles, including fixed points.

Original entry on oeis.org

0, 144, 192, 1068, 1752, 1836, 9936, 10608, 13008, 13680, 15072, 55500, 72012, 77388, 89112, 91212, 91800, 640992, 643344, 660144, 674592, 760992, 780144, 3562968, 4605036, 4642668, 4772952, 5445336, 5464152, 31412208, 31680336
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 7: 0, 264, 363, 3054, 5052, 5232, 40653, 42633, 52632, 54612.

Links

Crossrefs

Union of A165075 and A165078. Cf. A165071, A165077, A165080, A165082, A165088, A165085.
In other bases: A163205 (base 2), A164998 (base 3), A165017 (base 4), A165037 (base 5), A165056 (base 6), A165095 (base 8), A165115 (base 9), A164716 (base 10).

A165010 Smallest member of cycle corresponding to n-th term of A165009.

Original entry on oeis.org

0, 32, 184, 320, 1696, 2008, 5332, 15304, 18208, 19144, 26240, 55360, 137776, 164008, 146488, 172720, 175528, 433012, 520372, 1240024, 1476208, 1554904, 1502344, 1581040, 1589464, 3975844, 4487680, 4749760, 11160256, 13286008
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 3: 0, 1012, 20211, 102212, 2022211, 2202101, 21022111, 202222211, 220222101, 222021001.

Links

Crossrefs

Cf. A164993, A164998, A165009, A165011.
In other bases: A163205 (base 2), A165030 (base 4), A165049 (base 5), A165069 (base 6), A165088 (base 7), A165108 (base 8), A165128 (base 9), A151965 (base 10).

A165030 Smallest member of cycle corresponding to n-th term of A165029.

Original entry on oeis.org

0, 30, 201, 126, 570, 3369, 3873, 2550, 14565, 41958, 54441, 62625, 64641, 234405, 254865, 171990, 873129, 954261, 1036929, 1004193, 1044993, 3755685, 2788950, 4083345, 4165185, 15285909, 13978281, 16075425, 16399953, 16730625, 16599681
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 4: 0, 132, 3021, 1332, 20322, 310221, 330201, 213312, 3203211, 22033212.

Links

Crossrefs

Cf. A165012, A165017, A165029, A165031.
In other bases: A163205 (base 2), A165010 (base 3), A165049 (base 5), A165069 (base 6), A165088 (base 7), A165108 (base 8), A165128 (base 9), A151965 (base 10).

A165049 Smallest member of cycle corresponding to n-th term of A165048.

Original entry on oeis.org

0, 8, 48, 392, 1992, 7488, 53712, 249992, 1831056, 6249992, 45781056, 48217776, 170312312, 1144531056, 1205467776, 1217651376, 4576557032, 4514058432, 28613281056, 28671874056, 22460937432, 30136717776, 30441401376
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 5: 0, 13, 143, 3032, 30432, 214423, 3204322, 30444432, 432043211, 3044444432.

Links

Crossrefs

Cf. A165032, A165037, A165048, A165050.
In other bases: A163205 (base 2), A165010 (base 3), A165030 (base 4), A165069 (base 6), A165088 (base 7), A165108 (base 8), A165128 (base 9), A151965 (base 10).

A165069 Smallest member of cycle corresponding to n-th term of A165068.

Original entry on oeis.org

0, 105, 430, 5600, 4305, 16840, 42925, 33860, 27195, 218960, 895275, 1548445, 1221860, 1657225, 1275170, 7892360, 6018495, 45962330, 55760125, 56319925, 59679145, 44002820, 60331825, 47681900, 284180120, 348285175, 277695950
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 6: 0, 253, 1554, 41532, 31533, 205544, 530421, 420432, 325523, 4405412.

Links

Crossrefs

Cf. A165051, A165056, A165068, A165070.
In other bases: A163205 (base 2), A165010 (base 3), A165030 (base 4), A165049 (base 5), A165088 (base 7), A165108 (base 8), A165128 (base 9), A151965 (base 10).

A165078 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives numbers belonging to cycles of length greater than 1.

Original entry on oeis.org

144, 192, 1068, 1752, 1836, 9936, 10608, 13008, 13680, 15072, 55500, 72012, 77388, 89112, 91212, 91800, 640992, 643344, 660144, 674592, 760992, 780144, 3562968, 4605036, 4642668, 4772952, 5445336, 5464152, 31412208, 31680336, 32353344
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 7: 264, 363, 3054, 5052, 5232, 40653, 42633, 52632, 54612, 61641.

Links

Crossrefs

Cf. A165071, A165079, A165075, A165076, A165080, A165082, A165088.
In other bases: Empty (base 2), A165000 (base 3), A165019 (base 4), A165039 (base 5), A165058 (base 6), A165097 (base 8), A165117 (base 9), A099010 (base 10).

A165089 Length of cycle corresponding to n-th term of A165087.

Original entry on oeis.org

1, 2, 3, 5, 6, 6, 6, 11, 2, 2, 2, 1, 5, 2, 6, 1, 1, 2, 9, 1, 2, 1, 1, 12, 2, 2, 1, 1, 1, 1, 2, 2, 1, 4, 2, 1, 1, 1, 1, 5, 7, 1, 2, 2, 2, 3, 1, 2, 1, 2, 2, 1, 1, 1, 1, 5, 2, 1, 2, 1, 1, 2, 3, 3, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 5, 5, 2, 1, 1, 2, 2, 1, 3, 3, 2, 2, 1, 3, 2, 1, 1, 2, 2, 2, 1, 1, 1, 1, 24, 1, 1, 2, 1, 1
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Links

Crossrefs

Cf. A165071, A165076, A165087, A165088.
In other bases: A000012 (base 2), A165011 (base 3), A165031 (base 4), A165050 (base 5), A165070 (base 6), A165109 (base 8), A165129 (base 9), A151966 (base 10).

A165108 Smallest member of cycle corresponding to n-th term of A165107.

Original entry on oeis.org

0, 21, 252, 1589, 1022, 21483, 17892, 213402, 102837, 147420, 1445787, 1707930, 1711962, 13667738, 16092433, 6589877, 110132442, 111443346, 93093147, 76545756, 878996762, 1029991697, 874802586, 421817781, 1068263553
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 8: 0, 25, 374, 3065, 1776, 51753, 42744, 640632, 310665, 437734.

Links

Crossrefs

Cf. A165090, A165095, A165107, A165109.
In other bases: A163205 (base 2), A165010 (base 3), A165030 (base 4), A165049 (base 5), A165069 (base 6), A165088 (base 7), A165128 (base 9), A151965 (base 10).

A165128 Smallest member of cycle corresponding to n-th term of A165127.

Original entry on oeis.org

0, 16, 320, 2256, 3712, 34960, 41520, 183696, 3496800, 31596672, 31531872, 278474880, 326952560, 2066242576, 2516902752, 2598744000, 26531651360, 23087388720, 167365651216, 203869268832, 211282856832, 2184410558000
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 9: 0, 17, 385, 3076, 5074, 52854, 62853, 308876, 6518633, 65407433.

Links

Crossrefs

Cf. A165110, A165115, A165127, A165129.
In other bases: A163205 (base 2), A165010 (base 3), A165030 (base 4), A165049 (base 5), A165069 (base 6), A165088 (base 7), A165108 (base 8), A151965 (base 10).

A165080 Consider the base-7 Kaprekar map n->K(n) defined in A165071. Sequence gives least elements of each cycle, including fixed points.

Original entry on oeis.org

0, 144, 1068, 9936, 55500, 640992, 3562968, 31412208, 220709400, 227429400, 228238488, 1922263344, 11150046252, 11432420652, 75796404672, 94197649008, 96503566608, 419850417612, 546394287000, 3939440152944, 4615731883344
Offset: 1

Views

Author

Joseph Myers, Sep 04 2009

Keywords

Comments

Initial terms in base 7: 0, 264, 3054, 40653, 320544, 5306532, 42166443, 530666532, 5316666432, 5431055322.

Links

Crossrefs

Union of A165075 and A165082. Cf. A165071, A165081, A165076, A165078, A165088, A165084.
In other bases: A163205 (base 2), A165002 (base 3), A165021 (base 4), A165041 (base 5), A165060 (base 6), A165099 (base 8), A165119 (base 9), A164718 (base 10).
Showing 1-10 of 13 results. Next

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