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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.

A029537 Numbers n such that n divides the (left) concatenation of all numbers <= n written in base 20 (most significant digit on right and removing all least significant zeros before concatenation).

Table of values

n a(n)
1 1
2 19
3 27
4 67
5 269
6 399
7 5627
8 76439
9 269549
10 277951
11 424441

List of values

[1, 19, 27, 67, 269, 399, 5627, 76439, 269549, 277951, 424441]

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

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