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.

A033181 Absolute Euler pseudoprimes: odd composite numbers n such that a^((n-1)/2) == +-1 (mod n) for every a coprime to n.

Table of values

n a(n)
1 1729
2 2465
3 15841
4 41041
5 46657
6 75361
7 162401
8 172081
9 399001
10 449065
11 488881
12 530881
13 656601
14 670033
15 838201
16 997633
17 1050985
18 1615681
19 1773289
20 1857241
21 2113921
22 2433601
23 2455921
24 2704801
25 3057601
26 3224065
27 3581761
28 3664585
29 3828001
30 4463641
31 4903921

List of values

[1729, 2465, 15841, 41041, 46657, 75361, 162401, 172081, 399001, 449065, 488881, 530881, 656601, 670033, 838201, 997633, 1050985, 1615681, 1773289, 1857241, 2113921, 2433601, 2455921, 2704801, 3057601, 3224065, 3581761, 3664585, 3828001, 4463641, 4903921]

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

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