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.

A321023 Numbers k such that sigma(k) = sigma(k + 15).

Table of values

n a(n)
1 26
2 62
3 20840574
4 25741470
5 60765690
6 102435795
7 277471467
8 361466454
9 464465910
10 1110512403
11 1927430490
12 2741174163
13 3631266639
14 3844534602
15 3982743750
16 4565968407
17 4612184562
18 4829319495
19 4981969978
20 7066794735
21 13484870399
22 14268004443
23 14550390855
24 15051147111

List of values

[26, 62, 20840574, 25741470, 60765690, 102435795, 277471467, 361466454, 464465910, 1110512403, 1927430490, 2741174163, 3631266639, 3844534602, 3982743750, 4565968407, 4612184562, 4829319495, 4981969978, 7066794735, 13484870399, 14268004443, 14550390855, 15051147111]

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

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