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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.

A016273 Expansion of g.f. 1/((1-2x)(1-3x)(1-5x)).

Table of values

n a(n)
0 1
1 10
2 69
3 410
4 2261
5 11970
6 61909
7 315850
8 1598421
9 8050130
10 40425749
11 202656090
12 1014866581
13 5079099490
14 25409813589
15 127092049130
16 635589254741
17 3178333432050
18 15892828897429
19 79467630222970
20 397348609370901
21 1986774423719810
22 9933966253389269

List of values

[1, 10, 69, 410, 2261, 11970, 61909, 315850, 1598421, 8050130, 40425749, 202656090, 1014866581, 5079099490, 25409813589, 127092049130, 635589254741, 3178333432050, 15892828897429, 79467630222970, 397348609370901, 1986774423719810, 9933966253389269]

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

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