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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.

A130011 A self-describing sequence. Pick any integer n in the sequence; this n says: "There are n terms in the sequence that are <= 3n". This sequence is the slowest increasing one with this property.

Table of values

n a(n)
1 1
2 4
3 5
4 12
5 15
6 16
7 17
8 18
9 19
10 20
11 21
12 36
13 37
14 38
15 45
16 48
17 51
18 54
19 57
20 60
21 63
22 64
23 65
24 66
25 67
26 68
27 69

List of values

[1, 4, 5, 12, 15, 16, 17, 18, 19, 20, 21, 36, 37, 38, 45, 48, 51, 54, 57, 60, 63, 64, 65, 66, 67, 68, 69]

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

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