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 1-2 of 2 results.

A091280 A091432 indexed by A000040.

Original entry on oeis.org

4, 6, 11, 22, 44, 67, 73, 80, 93, 122, 131, 159, 169, 175, 183, 213, 261, 295, 331, 375, 414, 443, 464, 466, 504, 518, 546, 596, 603, 631, 731, 735, 803, 830, 831, 859, 868, 871, 966, 1033, 1231, 1326, 1346, 1356, 1386, 1551, 1568, 1580, 1676, 1683, 1688
Offset: 1

Views

Author

Ray Chandler, Jan 18 2004

Keywords

Crossrefs

Cf. A000040, A007770, A000959, A091431, A091432.

Formula

a(n)=k such that A000040(k)=A091432(n).

A091431 Happy-go-Lucky numbers: numbers that are both Happy (A007770) and Lucky (A000959).

Original entry on oeis.org

1, 7, 13, 31, 49, 79, 129, 133, 193, 219, 319, 331, 367, 391, 409, 487, 655, 673, 739, 931, 937, 1009, 1029, 1039, 1093, 1209, 1233, 1251, 1275, 1281, 1285, 1303, 1309, 1323, 1339, 1533, 1575, 1587, 1599, 1663, 1771, 1857, 1933, 1959, 1995, 2019, 2115
Offset: 1

Views

Author

G. L. Honaker, Jr., Jan 07 2004

Keywords

Links

Crossrefs

Cf. A007770, A000959, A091432, A091280.

Extensions

Extended by Ray Chandler, Jan 18 2004
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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