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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.

A379174 G.f. A(x) satisfies A(x) = (1 + x*A(x)^3)/(1 - x*A(x))^2.

Table of values

n a(n)
0 1
1 3
2 20
3 176
4 1772
5 19309
6 221651
7 2640016
8 32322122
9 404256442
10 5142846467
11 66341063274
12 865723122919
13 11408144684248
14 151593390664710
15 2029025599194394
16 27330120599494110
17 370183683091079836
18 5038997387800717228
19 68896081533831380702
20 945747379824209853435

List of values

[1, 3, 20, 176, 1772, 19309, 221651, 2640016, 32322122, 404256442, 5142846467, 66341063274, 865723122919, 11408144684248, 151593390664710, 2029025599194394, 27330120599494110, 370183683091079836, 5038997387800717228, 68896081533831380702, 945747379824209853435]

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

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