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.

A095256 Number of numbers not divisible by 10 that stay multiples of themselves when freed of their last n digits.

Table of values

n a(n)
1 23
2 473
3 7053
4 93643
5 1166714
6 13969985
7 162725300
8 1857511487
9 20877697534
10 231802823099
11 2548286736153
12 27785452448917
13 300880375389561
14 3239062263180829
15 34693207724723990
16 369957928177109127
17 3929837791070240044
18 41600963003695964039
19 439035480966899467108

List of values

[23, 473, 7053, 93643, 1166714, 13969985, 162725300, 1857511487, 20877697534, 231802823099, 2548286736153, 27785452448917, 300880375389561, 3239062263180829, 34693207724723990, 369957928177109127, 3929837791070240044, 41600963003695964039, 439035480966899467108]

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

Content is available under The OEIS End-User License Agreement.