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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.

A303058 G.f. A(x) satisfies: A(x) = Sum_{n>=0} (1+x)^(n^2) * x^n / A(x)^n.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 5
5 16
6 61
7 259
8 1228
9 6284
10 34564
11 201978
12 1246652
13 8084728
14 54862377
15 388266809
16 2857708840
17 21822753453
18 172550972216
19 1410144139982
20 11892084248959
21 103343300813517
22 924223611649636
23 8496346816801059
24 80201063980292729
25 776585923239589681
26 7706568335863727817
27 78311132374535936605

List of values

[1, 1, 1, 2, 5, 16, 61, 259, 1228, 6284, 34564, 201978, 1246652, 8084728, 54862377, 388266809, 2857708840, 21822753453, 172550972216, 1410144139982, 11892084248959, 103343300813517, 924223611649636, 8496346816801059, 80201063980292729, 776585923239589681, 7706568335863727817, 78311132374535936605]

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

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