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.

A271632 Numbers n = concat(s,t) such that sigma(n) - n = sigma(s) * sigma(t), where sigma(n) - n is the sum of the aliquot parts of n.

Table of values

n a(n)
1 11
2 96
3 101
4 125
5 161
6 216
7 258
8 2754
9 5964
10 12978
11 14496
12 31408
13 430668
14 9660736
15 145873104
16 181699992
17 1140190416
18 4573227328
19 5927288640

List of values

[11, 96, 101, 125, 161, 216, 258, 2754, 5964, 12978, 14496, 31408, 430668, 9660736, 145873104, 181699992, 1140190416, 4573227328, 5927288640]