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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.

A077864 Expansion of (1-x)^(-1)/(1-x-2*x^2-x^3).

Table of values

n a(n)
0 1
1 2
2 5
3 11
4 24
5 52
6 112
7 241
8 518
9 1113
10 2391
11 5136
12 11032
13 23696
14 50897
15 109322
16 234813
17 504355
18 1083304
19 2326828
20 4997792
21 10734753
22 23057166
23 49524465
24 106373551
25 228479648
26 490751216
27 1054084064
28 2264066145
29 4862985490
30 10445201845
31 22435238971
32 48188628152

List of values

[1, 2, 5, 11, 24, 52, 112, 241, 518, 1113, 2391, 5136, 11032, 23696, 50897, 109322, 234813, 504355, 1083304, 2326828, 4997792, 10734753, 23057166, 49524465, 106373551, 228479648, 490751216, 1054084064, 2264066145, 4862985490, 10445201845, 22435238971, 48188628152]

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

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