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.

A335569 a(n) is the maximum height achieved in the Collatz ('3x+1') problem when starting from numbers in the range [2^n, 2^(n+1)).

Table of values

n a(n)
0 0
1 7
2 16
3 19
4 111
5 112
6 118
7 127
8 143
9 178
10 181
11 237
12 261
13 275
14 307
15 339
16 353
17 442
18 469
19 524
20 556
21 596
22 664
23 704
24 705
25 949
26 950
27 956
28 964
29 986
30 1008
31 1050
32 1131
33 1210
34 1219
35 1220
36 1234
37 1307
38 1321

List of values

[0, 7, 16, 19, 111, 112, 118, 127, 143, 178, 181, 237, 261, 275, 307, 339, 353, 442, 469, 524, 556, 596, 664, 704, 705, 949, 950, 956, 964, 986, 1008, 1050, 1131, 1210, 1219, 1220, 1234, 1307, 1321]