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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.

A386211 G.f. A(x) satisfies A(x) = 1/(1-x)^2 + x^2*A(x)*A'(x).

Table of values

n a(n)
0 1
1 2
2 5
3 18
4 89
5 556
6 4127
7 35084
8 334049
9 3510574
10 40300769
11 501455462
12 6721438253
13 96561557816
14 1480441163151
15 24132225315816
16 416852189961737
17 7607668036964506
18 146296367990498941
19 2957053490913146762
20 62682940163232269033
21 1390605993609167492932

List of values

[1, 2, 5, 18, 89, 556, 4127, 35084, 334049, 3510574, 40300769, 501455462, 6721438253, 96561557816, 1480441163151, 24132225315816, 416852189961737, 7607668036964506, 146296367990498941, 2957053490913146762, 62682940163232269033, 1390605993609167492932]

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

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