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.

A133423 Analog of A006684 for the 5x+1 problem (cf. A133419).

Table of values

n a(n)
1 1
2 5
3 17
4 23
5 41
6 53
7 65
8 71
9 77
10 95
11 221
12 317
13 365
14 383
15 3317
16 3575
17 3605
18 6473
19 24125
20 31901
21 39965
22 44183
23 163733
24 317885
25 490541
26 519113
27 558365
28 602591
29 707735
30 753023
31 1019615
32 1463897
33 1597973
34 1752575
35 4595735
36 6197855

List of values

[1, 5, 17, 23, 41, 53, 65, 71, 77, 95, 221, 317, 365, 383, 3317, 3575, 3605, 6473, 24125, 31901, 39965, 44183, 163733, 317885, 490541, 519113, 558365, 602591, 707735, 753023, 1019615, 1463897, 1597973, 1752575, 4595735, 6197855]

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

Content is available under The OEIS End-User License Agreement.