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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.

A380138 a(n) is the largest value in the '3x+1' trajectory of starting points producing a record number of steps.

Table of values

n a(n)
1 1
2 2
3 16
4 16
5 52
6 52
7 52
8 88
9 9232
10 9232
11 9232
12 9232
13 9232
14 9232
15 9232
16 9232
17 9232
18 9232
19 250504
20 190996
21 190996
22 250504
23 250504
24 250504
25 481624
26 975400
27 975400
28 497176
29 11003416
30 11003416
31 106358020
32 18976192
33 41163712
34 106358020
35 21933016
36 104674192
37 593279152

List of values

[1, 2, 16, 16, 52, 52, 52, 88, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 9232, 250504, 190996, 190996, 250504, 250504, 250504, 481624, 975400, 975400, 497176, 11003416, 11003416, 106358020, 18976192, 41163712, 106358020, 21933016, 104674192, 593279152]

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

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