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.

A245584 Let f(m) put the leftmost digit of the positive integer m at its end; a(n) is the sequence of all positive integers m with f^2(m)=f(m^2).

Table of values

n a(n)
1 1
2 2
3 3
4 12
5 122
6 1222
7 12222
8 122222
9 1222222
10 12222222
11 122222222

List of values

[1, 2, 3, 12, 122, 1222, 12222, 122222, 1222222, 12222222, 122222222]

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

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