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.

A222812 Number of n-digit numbers N such that the number formed by some nontrivial permutation of the digits of N divides N.

Table of values

n a(n)
1 0
2 18
3 329
4 5000
5 65931
6 779504
7 8517616
8 88555255
9 897147508
10 8997325290
11 90000000000
12 900000000000
13 9000000000000
14 90000000000000
15 900000000000000
16 9000000000000000
17 90000000000000000
18 900000000000000000
19 9000000000000000000
20 90000000000000000000

List of values

[0, 18, 329, 5000, 65931, 779504, 8517616, 88555255, 897147508, 8997325290, 90000000000, 900000000000, 9000000000000, 90000000000000, 900000000000000, 9000000000000000, 90000000000000000, 900000000000000000, 9000000000000000000, 90000000000000000000]