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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.

A181568 Numbers k such that the largest prime factor of k^2-1 is 101.

Table of values

n a(n)
1 100
2 201
3 203
4 302
5 304
6 403
7 405
8 506
9 607
10 706
11 807
12 809
13 1009
14 1011
15 1112
16 1211
17 1312
18 1415
19 1514
20 1516
21 1716
22 1819
23 1918
24 2221
25 2324
26 2524
27 2526
28 2625
29 2627
30 3231
31 3233
32 3334
33 3433
34 3635
35 3736
36 3839
37 4041
38 4241
39 4344
40 4445
41 4544
42 4645
43 4647
44 4746

List of values

[100, 201, 203, 302, 304, 403, 405, 506, 607, 706, 807, 809, 1009, 1011, 1112, 1211, 1312, 1415, 1514, 1516, 1716, 1819, 1918, 2221, 2324, 2524, 2526, 2625, 2627, 3231, 3233, 3334, 3433, 3635, 3736, 3839, 4041, 4241, 4344, 4445, 4544, 4645, 4647, 4746]

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

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