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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.

A340271 Positive integers with no digit equal to 0 or 1 such that when one iterates x -> A340270(x) starting with n, one eventually enters a cycle containing an integer greater than 9.

Table of values

n a(n)
1 25
2 26
3 28
4 34
5 35
6 36
7 38
8 43
9 46
10 52
11 53
12 62
13 63
14 64
15 82
16 83
17 236
18 239
19 246
20 254
21 296
22 326
23 329
24 362
25 392
26 426
27 462
28 524
29 542
30 926
31 962

List of values

[25, 26, 28, 34, 35, 36, 38, 43, 46, 52, 53, 62, 63, 64, 82, 83, 236, 239, 246, 254, 296, 326, 329, 362, 392, 426, 462, 524, 542, 926, 962]

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

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