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.

A290515 a(n) = smallest number that is the start of a gap of size n between successive prime powers (A000961), or 0 if no such number exists.

Table of values

n a(n)
1 1
2 5
3 13
4 19
5 32
6 53
7 1024
8 89
9 512
10 139
11 536870912
12 199
13 144115188075855859
14 293
15 65521
16 1831
17 8192
18 1069
19 147573952589676412909
20 887
21 524288
22 1129
23 549755813888
24 4177
25 17179869184
26 2477
27 16384
28 2971
29 131072
30 1331
31 34359738337
32 5591
33 18014398509481951
34 8467
35 33554432
36 9551

List of values

[1, 5, 13, 19, 32, 53, 1024, 89, 512, 139, 536870912, 199, 144115188075855859, 293, 65521, 1831, 8192, 1069, 147573952589676412909, 887, 524288, 1129, 549755813888, 4177, 17179869184, 2477, 16384, 2971, 131072, 1331, 34359738337, 5591, 18014398509481951, 8467, 33554432, 9551]

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

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