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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.

A381593 G.f. A(x) satisfies A(x) = 1/(1 - x * A(x) * A(x*A(x)))^2.

Table of values

n a(n)
0 1
1 2
2 11
3 88
4 869
5 9876
6 124473
7 1701630
8 24870695
9 384795184
10 6257294780
11 106377162620
12 1882982975521
13 34593496243070
14 657935674477431
15 12927331575084846
16 261951066040220637
17 5466177185459699916
18 117315664923801661485
19 2586804284853871362408

List of values

[1, 2, 11, 88, 869, 9876, 124473, 1701630, 24870695, 384795184, 6257294780, 106377162620, 1882982975521, 34593496243070, 657935674477431, 12927331575084846, 261951066040220637, 5466177185459699916, 117315664923801661485, 2586804284853871362408]

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

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