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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.

A186812 Expansion of 1/(1-x^6-3*x^5-4*x^4-3*x^3-2*x^2-x).

Table of values

n a(n)
0 1
1 1
2 3
3 8
4 21
5 53
6 135
7 346
8 886
9 2266
10 5796
11 14828
12 37935
13 97047
14 248269
15 635134
16 1624833
17 4156729
18 10633949
19 27204296
20 69595384
21 178042372
22 455476844
23 1165223500
24 2980932677
25 7625970145
26 19509135875
27 49909241100
28 127680301337
29 326638093273
30 835621805859

List of values

[1, 1, 3, 8, 21, 53, 135, 346, 886, 2266, 5796, 14828, 37935, 97047, 248269, 635134, 1624833, 4156729, 10633949, 27204296, 69595384, 178042372, 455476844, 1165223500, 2980932677, 7625970145, 19509135875, 49909241100, 127680301337, 326638093273, 835621805859]

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

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