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.

A058000 a(n) is smallest prime such that a(n)+1 is a proper multiple of a(n-1)+1 [with a(1)=1].

Table of values

n a(n)
1 1
2 3
3 7
4 23
5 47
6 191
7 383
8 1151
9 6911
10 27647
11 138239
12 691199
13 3455999
14 34559999
15 138239999
16 414719999
17 2073599999
18 16588799999
19 364953599999
20 4744396799999
21 66421555199999
22 132843110399999
23 664215551999999
24 3321077759999999

List of values

[1, 3, 7, 23, 47, 191, 383, 1151, 6911, 27647, 138239, 691199, 3455999, 34559999, 138239999, 414719999, 2073599999, 16588799999, 364953599999, 4744396799999, 66421555199999, 132843110399999, 664215551999999, 3321077759999999]