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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.

A364474 G.f. satisfies A(x) = 1 + x*A(x)^3 + x^2*A(x).

Table of values

n a(n)
0 1
1 1
2 4
3 16
4 77
5 403
6 2228
7 12800
8 75653
9 457022
10 2809266
11 17514200
12 110480475
13 703850686
14 4522217364
15 29268545416
16 190645760149
17 1248817411471
18 8221323983431
19 54365667330636
20 360954069730636
21 2405225494066647
22 16080210766344354
23 107828663888705292

List of values

[1, 1, 4, 16, 77, 403, 2228, 12800, 75653, 457022, 2809266, 17514200, 110480475, 703850686, 4522217364, 29268545416, 190645760149, 1248817411471, 8221323983431, 54365667330636, 360954069730636, 2405225494066647, 16080210766344354, 107828663888705292]

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

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