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.

A163619 Let q(p) be the smallest prime greater than the prime p. A positive integer n is included in this sequence if n+1 is divisible by q(p) for each prime p dividing n.

Table of values

n a(n)
1 2
2 8
3 9
4 20
5 32
6 98
7 125
8 128
9 169
10 464
11 512
12 729
13 961
14 1280
15 2048
16 2108
17 5252
18 8000
19 8192
20 9728
21 15872
22 16807
23 18176
24 22385
25 32768
26 36992
27 50000
28 53792
29 59049
30 78821
31 81920
32 97556
33 98125
34 100352
35 124659
36 131072
37 195129
38 219488
39 223040
40 307328

List of values

[2, 8, 9, 20, 32, 98, 125, 128, 169, 464, 512, 729, 961, 1280, 2048, 2108, 5252, 8000, 8192, 9728, 15872, 16807, 18176, 22385, 32768, 36992, 50000, 53792, 59049, 78821, 81920, 97556, 98125, 100352, 124659, 131072, 195129, 219488, 223040, 307328]