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.

A029520 Numbers k such that k divides the (left) concatenation of all numbers <= k written in base 3 (most significant digit on right and removing all least significant zeros before concatenation).

Table of values

n a(n)
1 1
2 4
3 5
4 7
5 19
6 443
7 19952
8 81544
9 919648
10 1186844

List of values

[1, 4, 5, 7, 19, 443, 19952, 81544, 919648, 1186844]

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

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