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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.

A293291 Carmichael numbers m having a Fermat prime (A019434) factor such that A002322(m) = 2^k * p^2, where k is an integer and p is an odd prime.

Table of values

n a(n)
1 825265
2 1210178305
3 11113519105
4 230864201601
5 772350315265
6 1540032424705
7 204855497662465
8 453644962192318465
9 770522162068767745
10 3070111619849131585
11 44428201205269571987560724263876473913345

List of values

[825265, 1210178305, 11113519105, 230864201601, 772350315265, 1540032424705, 204855497662465, 453644962192318465, 770522162068767745, 3070111619849131585, 44428201205269571987560724263876473913345]

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

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