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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.

A229805 Palindromes m such that m*(sum of digits of m) is also a palindrome.

Table of values

n a(n)
1 0
2 1
3 2
4 3
5 11
6 22
7 101
8 111
9 121
10 202
11 272
12 353
13 434
14 515
15 616
16 888
17 1001
18 1111
19 2002
20 10001
21 10101
22 10201
23 10901
24 11011
25 11111
26 11711
27 12521
28 13331
29 14141
30 20002
31 20702
32 21512
33 22322
34 23132
35 30503
36 31313
37 32123
38 40304
39 41114
40 50105
41 100001
42 101101
43 110011
44 111111
45 200002
46 888888

List of values

[0, 1, 2, 3, 11, 22, 101, 111, 121, 202, 272, 353, 434, 515, 616, 888, 1001, 1111, 2002, 10001, 10101, 10201, 10901, 11011, 11111, 11711, 12521, 13331, 14141, 20002, 20702, 21512, 22322, 23132, 30503, 31313, 32123, 40304, 41114, 50105, 100001, 101101, 110011, 111111, 200002, 888888]

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

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