cp's OEIS Frontend

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.

A186996 G.f. satisfies: A(x) = 1 + x*A(x) + x^2*A(x)^4.

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 20
5 72
6 273
7 1073
8 4333
9 17869
10 74937
11 318601
12 1370113
13 5949201
14 26046727
15 114857599
16 509669295
17 2274146599
18 10197234215
19 45925646367
20 207656685443
21 942302814363
22 4289903653615
23 19588180438263
24 89685571667763

List of values

[1, 1, 2, 6, 20, 72, 273, 1073, 4333, 17869, 74937, 318601, 1370113, 5949201, 26046727, 114857599, 509669295, 2274146599, 10197234215, 45925646367, 207656685443, 942302814363, 4289903653615, 19588180438263, 89685571667763]

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

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