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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.

A371608 G.f. satisfies A(x) = ( 1 + x * (1 + x*A(x)^3) )^2.

Table of values

n a(n)
0 1
1 2
2 3
3 14
4 55
5 226
6 1042
7 4840
8 23103
9 113118
10 561568
11 2826550
12 14392534
13 73967650
14 383271596
15 2000096144
16 10502029735
17 55446004880
18 294155761676
19 1567371462762
20 8384300275607
21 45009106969022
22 242400290365756
23 1309314066314354
24 7091306989205453

List of values

[1, 2, 3, 14, 55, 226, 1042, 4840, 23103, 113118, 561568, 2826550, 14392534, 73967650, 383271596, 2000096144, 10502029735, 55446004880, 294155761676, 1567371462762, 8384300275607, 45009106969022, 242400290365756, 1309314066314354, 7091306989205453]

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

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