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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.

A090065 Numbers n such that there are (presumably) four palindromes in the Reverse and Add! trajectory of n.

Table of values

n a(n)
1 9
2 19
3 28
4 29
5 37
6 38
7 39
8 46
9 47
10 48
11 56
12 57
13 64
14 65
15 73
16 74
17 75
18 82
19 83
20 84
21 91
22 92
23 93
24 110
25 112
26 121
27 124
28 132
29 134
30 135
31 136
32 138
33 144
34 147
35 155
36 164
37 166
38 174
39 182
40 186
41 190
42 192
43 211
44 212
45 219
46 223
47 229
48 230
49 231
50 233
51 234
52 235
53 237
54 240
55 243
56 246
57 249

List of values

[9, 19, 28, 29, 37, 38, 39, 46, 47, 48, 56, 57, 64, 65, 73, 74, 75, 82, 83, 84, 91, 92, 93, 110, 112, 121, 124, 132, 134, 135, 136, 138, 144, 147, 155, 164, 166, 174, 182, 186, 190, 192, 211, 212, 219, 223, 229, 230, 231, 233, 234, 235, 237, 240, 243, 246, 249]

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

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