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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.

A371516 G.f. A(x) satisfies A(x) = (1 + x*A(x) / (1-x))^3.

Table of values

n a(n)
0 1
1 3
2 15
3 82
4 477
5 2901
6 18235
7 117555
8 773085
9 5166478
10 34987170
11 239570655
12 1655933060
13 11538839130
14 80971109712
15 571702698185
16 4058556404958
17 28951715755830
18 207424064434502
19 1491898838023884
20 10768487956456506
21 77977009814421534
22 566310026687320290

List of values

[1, 3, 15, 82, 477, 2901, 18235, 117555, 773085, 5166478, 34987170, 239570655, 1655933060, 11538839130, 80971109712, 571702698185, 4058556404958, 28951715755830, 207424064434502, 1491898838023884, 10768487956456506, 77977009814421534, 566310026687320290]

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

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