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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.

A094865 Expansion of x^3/((1-3*x+x^2)*(1-5*x+5*x^2)).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 8
5 43
6 196
7 820
8 3264
9 12597
10 47652
11 177859
12 657800
13 2417416
14 8844448
15 32256553
16 117378336
17 426440955
18 1547491404
19 5610955132
20 20332248992
21 73645557469
22 266668876540
23 965384509651
24 3494279574288
25 12646311635088
26 45764967830976
27 165605867248465

List of values

[0, 0, 0, 1, 8, 43, 196, 820, 3264, 12597, 47652, 177859, 657800, 2417416, 8844448, 32256553, 117378336, 426440955, 1547491404, 5610955132, 20332248992, 73645557469, 266668876540, 965384509651, 3494279574288, 12646311635088, 45764967830976, 165605867248465]

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

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