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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.

A267506 Primes p such that p-1 is squarefree and all prime divisors of p-1 other than 17 are also in the sequence.

Table of values

n a(n)
1 2
2 3
3 7
4 43
5 103
6 239
7 479
8 619
9 3347
10 4327
11 10039
12 24379
13 25999
14 30703
15 48859
16 123583
17 143879
18 147703
19 150587
20 170647
21 186019
22 288359
23 344639
24 421639
25 593003
26 689279
27 690719
28 1029827
29 1381439
30 1779007
31 2651899
32 3089479
33 3558019
34 4242983

List of values

[2, 3, 7, 43, 103, 239, 479, 619, 3347, 4327, 10039, 24379, 25999, 30703, 48859, 123583, 143879, 147703, 150587, 170647, 186019, 288359, 344639, 421639, 593003, 689279, 690719, 1029827, 1381439, 1779007, 2651899, 3089479, 3558019, 4242983]

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

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