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.

A291194 Numbers k having at least one prime factor p such that p^2 divides 2^(k-1) - 1.

Table of values

n a(n)
1 1093
2 3511
3 398945
4 796797
5 1194649
6 1592501
7 1990353
8 2388205
9 2786057
10 3183909
11 3581761
12 3979613
13 4377465
14 4775317
15 5173169
16 5571021
17 5968873
18 6165316
19 6366725
20 6764577
21 7162429
22 7560281
23 7958133
24 8355985
25 8753837
26 9151689
27 9549541
28 9947393
29 10345245

List of values

[1093, 3511, 398945, 796797, 1194649, 1592501, 1990353, 2388205, 2786057, 3183909, 3581761, 3979613, 4377465, 4775317, 5173169, 5571021, 5968873, 6165316, 6366725, 6764577, 7162429, 7560281, 7958133, 8355985, 8753837, 9151689, 9549541, 9947393, 10345245]

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

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