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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.

A090067 Numbers n such that there are (presumably) six palindromes in the Reverse and Add! trajectory of n.

Table of values

n a(n)
1 7
2 12
3 17
4 21
5 26
6 30
7 33
8 35
9 53
10 59
11 62
12 68
13 71
14 80
15 86
16 88
17 95
18 102
19 103
20 109
21 114
22 117
23 142
24 150
25 154
26 170
27 191
28 201
29 208
30 209
31 210
32 213
33 216
34 222
35 241
36 253
37 300
38 301
39 303
40 307
41 308
42 312
43 315
44 329
45 340
46 352
47 359
48 383
49 389
50 400
51 404
52 406
53 407
54 411
55 428
56 451

List of values

[7, 12, 17, 21, 26, 30, 33, 35, 53, 59, 62, 68, 71, 80, 86, 88, 95, 102, 103, 109, 114, 117, 142, 150, 154, 170, 191, 201, 208, 209, 210, 213, 216, 222, 241, 253, 300, 301, 303, 307, 308, 312, 315, 329, 340, 352, 359, 383, 389, 400, 404, 406, 407, 411, 428, 451]

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

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