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.

A057931 Positions at which powers of 2 occur in A057929. (Or -1 if it does not occur.)

Original entry on oeis.org

-1, 0, -1, 2, 5, 11, 23, 32, 47, 83, 131, 239, 311, 527, 731, 965, 1703, 2675, 3827, 6359, 9659, 14555, 23087, 33041, 45995, 77519, 120467, 177635, 252713, 405317, 554033, 795827, 1335083, 1819523, 2491229, 4183463, 5920211, 8051987, 12530963, 20132057
Offset: 0

Views

Author

Larry Reeves (larryr(AT)acm.org), Oct 03 2000

Keywords

Crossrefs

Cf. A057929, A057930.

Extensions

More terms from Sean A. Irvine, Jul 12 2022

A057930 Sequence b(n) mentioned in A057929.

Original entry on oeis.org

7, 13, 14, 15, 25, 26, 27, 29, 30, 31, 45, 46, 47, 49, 50, 51, 53, 54, 55, 61, 62, 63, 89, 90, 91, 93, 94, 95, 125, 126, 127, 225, 226, 227, 229, 230, 231, 237, 238, 239, 249, 250, 251, 253, 254, 255, 397, 398, 399, 401, 402, 403, 405, 406, 407, 413, 414, 415
Offset: 1

Views

Author

Larry Reeves (larryr(AT)acm.org), Oct 03 2000

Keywords

Crossrefs

Cf. A057929, A057931.
Showing 1-2 of 2 results.

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

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