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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.

A371581 G.f. satisfies A(x) = ( 1 + x*A(x)^(5/2) / (1 - x*A(x)) )^2.

Table of values

n a(n)
0 1
1 2
2 13
3 108
4 1018
5 10352
6 110724
7 1227752
8 13986369
9 162708728
10 1924866345
11 23085868814
12 280060995369
13 3430479393210
14 42369377446083
15 527064922683286
16 6597825455023465
17 83050276697808472
18 1050551595788997356
19 13347641275527720048
20 170259412138463630535

List of values

[1, 2, 13, 108, 1018, 10352, 110724, 1227752, 13986369, 162708728, 1924866345, 23085868814, 280060995369, 3430479393210, 42369377446083, 527064922683286, 6597825455023465, 83050276697808472, 1050551595788997356, 13347641275527720048, 170259412138463630535]

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

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