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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.

A371676 G.f. satisfies A(x) = 1 + x * A(x)^2 * (1 + A(x)^(1/2))^2.

Table of values

n a(n)
0 1
1 4
2 40
3 524
4 7824
5 126228
6 2143544
7 37750812
8 683194912
9 12628104740
10 237388091208
11 4524456276524
12 87228274533040
13 1698091537435444
14 33332913873239640
15 659038408936005692
16 13112372856351746112
17 262338658739430857796
18 5274545338183090647656

List of values

[1, 4, 40, 524, 7824, 126228, 2143544, 37750812, 683194912, 12628104740, 237388091208, 4524456276524, 87228274533040, 1698091537435444, 33332913873239640, 659038408936005692, 13112372856351746112, 262338658739430857796, 5274545338183090647656]

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

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