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.

A372075 a(1) = 1; thereafter a(n+1) is obtained by prepending the digit-sum of a(n) to a(n).

Table of values

n a(n)
1 1
2 11
3 211
4 4211
5 84211
6 1684211
7 231684211
8 28231684211
9 3828231684211
10 493828231684211
11 62493828231684211
12 7062493828231684211
13 777062493828231684211
14 91777062493828231684211
15 10191777062493828231684211
16 10310191777062493828231684211

List of values

[1, 11, 211, 4211, 84211, 1684211, 231684211, 28231684211, 3828231684211, 493828231684211, 62493828231684211, 7062493828231684211, 777062493828231684211, 91777062493828231684211, 10191777062493828231684211, 10310191777062493828231684211]

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

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