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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.

A129127 An irregular table of node numbers (in order of appearance) which generate two children in the tree described by A128628 and A129129.

Table of values

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

List of values

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

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

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