cp's OEIS Frontend

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.

A319738 Numbers whose Collatz trajectories cross their initial values a record number of times.

Table of values

n a(n)
1 1
2 3
3 6
4 9
5 14
6 18
7 33
8 54
9 97
10 129
11 194
12 257
13 294
14 313
15 342
16 353
17 398
18 417
19 470
20 626
21 9225
22 13739
23 14473
24 19297
25 27681
26 38881
27 112782
28 283261
29 427762
30 506977
31 831527
32 876011
33 1108702
34 1168014
35 1848673
36 2191019
37 5524041
38 8546945
39 10817230
40 10964814
41 11395926
42 13506283
43 15194569
44 41698569
45 46910891
46 52774753

List of values

[1, 3, 6, 9, 14, 18, 33, 54, 97, 129, 194, 257, 294, 313, 342, 353, 398, 417, 470, 626, 9225, 13739, 14473, 19297, 27681, 38881, 112782, 283261, 427762, 506977, 831527, 876011, 1108702, 1168014, 1848673, 2191019, 5524041, 8546945, 10817230, 10964814, 11395926, 13506283, 15194569, 41698569, 46910891, 52774753]

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

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