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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.

A385758 G.f. A(x) satisfies A(x) = 1/((1 - x) * (1 - x*A(x) - x^3*A''(x))).

Table of values

n a(n)
0 1
1 2
2 5
3 25
4 241
5 3850
6 92699
7 3159424
8 145529893
9 8737971990
10 664337673319
11 62461188300465
12 7121505696653881
13 968606284138975286
14 154985833403909522361
15 28828521246104115576631
16 6169483384435711859804021
17 1505386674395483103372685258
18 415493606617772745031305469471

List of values

[1, 2, 5, 25, 241, 3850, 92699, 3159424, 145529893, 8737971990, 664337673319, 62461188300465, 7121505696653881, 968606284138975286, 154985833403909522361, 28828521246104115576631, 6169483384435711859804021, 1505386674395483103372685258, 415493606617772745031305469471]

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

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