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.

A052931 Expansion of 1/(1 - 3*x^2 - x^3).

Table of values

n a(n)
0 1
1 0
2 3
3 1
4 9
5 6
6 28
7 27
8 90
9 109
10 297
11 417
12 1000
13 1548
14 3417
15 5644
16 11799
17 20349
18 41041
19 72846
20 143472
21 259579
22 503262
23 922209
24 1769365
25 3269889
26 6230304
27 11579032
28 21960801
29 40967400
30 77461435
31 144863001
32 273351705
33 512050438
34 964918116
35 1809503019

List of values

[1, 0, 3, 1, 9, 6, 28, 27, 90, 109, 297, 417, 1000, 1548, 3417, 5644, 11799, 20349, 41041, 72846, 143472, 259579, 503262, 922209, 1769365, 3269889, 6230304, 11579032, 21960801, 40967400, 77461435, 144863001, 273351705, 512050438, 964918116, 1809503019]

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

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