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.

A033659 Trajectory of 27 under map x->x + (x-with-digits-reversed).

Table of values

n a(n)
0 27
1 99
2 198
3 1089
4 10890
5 20691
6 40293
7 79497
8 158994
9 658845
10 1207701
11 2284722
12 4559544
13 9019098
14 17928207
15 88211178
16 175322466
17 839546037
18 1570191975
19 7362102726
20 13634115363
21 49985258994
22 99970517988

List of values

[27, 99, 198, 1089, 10890, 20691, 40293, 79497, 158994, 658845, 1207701, 2284722, 4559544, 9019098, 17928207, 88211178, 175322466, 839546037, 1570191975, 7362102726, 13634115363, 49985258994, 99970517988]

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

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