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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.

A371915 G.f. A(x) satisfies A(x) = 1 - x/A(x)^2 * (1 - A(x) - A(x)^5).

Table of values

n a(n)
0 1
1 1
2 4
3 17
4 80
5 414
6 2289
7 13199
8 78306
9 474630
10 2926744
11 18304543
12 115837726
13 740379722
14 4772461321
15 30989448116
16 202518745795
17 1330961476358
18 8791022012712
19 58325109518331
20 388523983047285
21 2597516226459845
22 17423367396517210
23 117223205014488833

List of values

[1, 1, 4, 17, 80, 414, 2289, 13199, 78306, 474630, 2926744, 18304543, 115837726, 740379722, 4772461321, 30989448116, 202518745795, 1330961476358, 8791022012712, 58325109518331, 388523983047285, 2597516226459845, 17423367396517210, 117223205014488833]

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

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