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.

A129125 Prune the tree structure defined in sequence A129129 yielding a new irregular table with shape sequence A027336.

Table of values

n a(n)
0 1
1 2
2 3
3 5
4 6
5 7
6 10
7 9
8 11
9 14
10 15
11 18
12 13
13 22
14 21
15 25
16 30
17 27
18 17
19 26
20 33
21 35
22 42
23 50
24 45
25 54
26 19
27 34
28 39
29 55
30 66
31 49
32 70
33 63
34 75
35 90
36 81

List of values

[1, 2, 3, 5, 6, 7, 10, 9, 11, 14, 15, 18, 13, 22, 21, 25, 30, 27, 17, 26, 33, 35, 42, 50, 45, 54, 19, 34, 39, 55, 66, 49, 70, 63, 75, 90, 81]

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

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