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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.

A020137 Pseudoprimes to base 8.

Table of values

n a(n)
1 9
2 21
3 45
4 63
5 65
6 105
7 117
8 133
9 153
10 231
11 273
12 341
13 481
14 511
15 561
16 585
17 645
18 651
19 861
20 949
21 1001
22 1105
23 1281
24 1365
25 1387
26 1417
27 1541
28 1649
29 1661
30 1729
31 1785
32 1905
33 2047
34 2169
35 2465
36 2501
37 2701
38 2821
39 3145
40 3171
41 3201
42 3277
43 3605
44 3641
45 4005
46 4033
47 4097

List of values

[9, 21, 45, 63, 65, 105, 117, 133, 153, 231, 273, 341, 481, 511, 561, 585, 645, 651, 861, 949, 1001, 1105, 1281, 1365, 1387, 1417, 1541, 1649, 1661, 1729, 1785, 1905, 2047, 2169, 2465, 2501, 2701, 2821, 3145, 3171, 3201, 3277, 3605, 3641, 4005, 4033, 4097]

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

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