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.

A271873 Square array A(n, k) read by antidiagonals downwards: smallest base-n Fermat pseudoprime with k distinct prime factors for k, n >= 2.

Table of values

n a(n)
2 341
3 561
4 91
5 11305
6 286
7 15
8 825265
9 41041
10 435
11 124
12 45593065
13 825265
14 11305
15 561
16 35
17 370851481
18 130027051
19 418285
20 41041
21 1105
22 6
23 38504389105
24 2531091745
25 30534805
26 2203201
27 25585
28 561
29 21
30 7550611589521
31 38504389105
32 370851481
33 68800501
34 682465
35 62745
36 105
37 28

List of values

[341, 561, 91, 11305, 286, 15, 825265, 41041, 435, 124, 45593065, 825265, 11305, 561, 35, 370851481, 130027051, 418285, 41041, 1105, 6, 38504389105, 2531091745, 30534805, 2203201, 25585, 561, 21, 7550611589521, 38504389105, 370851481, 68800501, 682465, 62745, 105, 28]

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

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