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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.

A367691 G.f. A(x) satisfies A(x) = 1 / ((1 - x) * (1 - x * A(x^3))).

Table of values

n a(n)
0 1
1 2
2 3
3 4
4 7
5 12
6 19
7 31
8 52
9 86
10 141
11 233
12 386
13 639
14 1057
15 1749
16 2896
17 4795
18 7937
19 13138
20 21751
21 36010
22 59613
23 98688
24 163380
25 270479
26 447779
27 741300
28 1227231
29 2031697
30 3363494
31 5568295
32 9218373
33 15261119
34 25264942
35 41826373
36 69244006
37 114634194
38 189778123

List of values

[1, 2, 3, 4, 7, 12, 19, 31, 52, 86, 141, 233, 386, 639, 1057, 1749, 2896, 4795, 7937, 13138, 21751, 36010, 59613, 98688, 163380, 270479, 447779, 741300, 1227231, 2031697, 3363494, 5568295, 9218373, 15261119, 25264942, 41826373, 69244006, 114634194, 189778123]

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

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