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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.

A182053 G.f. satisfies: A(x) = (1+x*A(x))*(1+x^2*A(x))*(1+x^3*A(x)).

Table of values

n a(n)
0 1
1 1
2 2
3 5
4 11
5 26
6 64
7 159
8 402
9 1032
10 2677
11 7010
12 18510
13 49220
14 131691
15 354282
16 957745
17 2600382
18 7088008
19 19388719
20 53207441
21 146444424
22 404151643
23 1118132954
24 3100540971
25 8615945102
26 23989662824
27 66917894562
28 186983937758
29 523314016245
30 1466807316032

List of values

[1, 1, 2, 5, 11, 26, 64, 159, 402, 1032, 2677, 7010, 18510, 49220, 131691, 354282, 957745, 2600382, 7088008, 19388719, 53207441, 146444424, 404151643, 1118132954, 3100540971, 8615945102, 23989662824, 66917894562, 186983937758, 523314016245, 1466807316032]

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

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