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.

A271929 G.f. A(x) satisfies: A(x)^3 = A(x^3) / (1 - 3*x).

Table of values

n a(n)
1 1
2 1
3 2
4 5
5 12
6 31
7 83
8 224
9 615
10 1708
11 4777
12 13455
13 38110
14 108428
15 309714
16 887666
17 2551575
18 7353423
19 21240460
20 61478489
21 178269670
22 517784717
23 1506162369
24 4387201004
25 12795170784
26 37359689295
27 109199349181
28 319493390481
29 935616592227
30 2742209152877
31 8043500169958
32 23610710680582
33 69354125493930
34 203852682699869
35 599549063015417
36 1764338532368820

List of values

[1, 1, 2, 5, 12, 31, 83, 224, 615, 1708, 4777, 13455, 38110, 108428, 309714, 887666, 2551575, 7353423, 21240460, 61478489, 178269670, 517784717, 1506162369, 4387201004, 12795170784, 37359689295, 109199349181, 319493390481, 935616592227, 2742209152877, 8043500169958, 23610710680582, 69354125493930, 203852682699869, 599549063015417, 1764338532368820]

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

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