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.

A263560 Primes p such that for every k >= 1, p*2^k + 1 has a divisor in the set {3, 5, 13, 17, 97, 241, 257}.

Table of values

n a(n)
1 37158601
2 7425967459
3 9013226179
4 13671059747
5 14140683563
6 17190420571
7 17210867747
8 18553286303
9 18563509891
10 19720992901
11 20064786439
12 22400387281
13 23728062893
14 29428753891
15 36195177107
16 41074421693
17 44786947187
18 45199948253
19 48845530249

List of values

[37158601, 7425967459, 9013226179, 13671059747, 14140683563, 17190420571, 17210867747, 18553286303, 18563509891, 19720992901, 20064786439, 22400387281, 23728062893, 29428753891, 36195177107, 41074421693, 44786947187, 45199948253, 48845530249]

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

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