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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.

A352540 Values for which the iteration of A352544 (half if even, add largest anagram if odd) does not end in a loop.

Table of values

n a(n)
1 89
2 109
3 117
4 137
5 149
6 178
7 187
8 203
9 205
10 207
11 209
12 213
13 217
14 218
15 223
16 225
17 234
18 239
19 247
20 253
21 255
22 257
23 267
24 273
25 274
26 277
27 279
28 293
29 295
30 297
31 298
32 299
33 307
34 319
35 327
36 335
37 347
38 356
39 365
40 374
41 405
42 406
43 407
44 409
45 410
46 414
47 415
48 418
49 426
50 427
51 434
52 436
53 437
54 445
55 446

List of values

[89, 109, 117, 137, 149, 178, 187, 203, 205, 207, 209, 213, 217, 218, 223, 225, 234, 239, 247, 253, 255, 257, 267, 273, 274, 277, 279, 293, 295, 297, 298, 299, 307, 319, 327, 335, 347, 356, 365, 374, 405, 406, 407, 409, 410, 414, 415, 418, 426, 427, 434, 436, 437, 445, 446]

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

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