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.

A033652 Trajectory of 13 under map x->x + (x-with-digits-reversed).

Table of values

n a(n)
0 13
1 44
2 88
3 176
4 847
5 1595
6 7546
7 14003
8 44044
9 88088
10 176176
11 847847
12 1596595
13 7553546
14 14007103
15 44177144
16 88354288
17 176599676
18 853595347
19 1597190705
20 6668108656
21 13236127322
22 35608290553
23 71117571206

List of values

[13, 44, 88, 176, 847, 1595, 7546, 14003, 44044, 88088, 176176, 847847, 1596595, 7553546, 14007103, 44177144, 88354288, 176599676, 853595347, 1597190705, 6668108656, 13236127322, 35608290553, 71117571206]