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.

A029542 Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 25 (most significant digit on right and removing all least significant zeros before concatenation).

Table of values

n a(n)
1 1
2 3
3 9
4 21
5 27
6 48
7 144
8 352
9 361
10 4672
11 5904
12 7392
13 15323
14 25488
15 32096
16 55491
17 71712
18 89259
19 101437
20 139776
21 752011
22 2215168
23 5082544
24 6766761

List of values

[1, 3, 9, 21, 27, 48, 144, 352, 361, 4672, 5904, 7392, 15323, 25488, 32096, 55491, 71712, 89259, 101437, 139776, 752011, 2215168, 5082544, 6766761]

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

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