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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.

A373520 Expansion of e.g.f. exp(x/(1 - x^4)^(1/2)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 61
6 361
7 1261
8 3361
9 143641
10 1829521
11 12501721
12 59922721
13 2173048021
14 44315751481
15 478799701381
16 3492321094081
17 116722067432881
18 3290135175240481
19 50242015215929521
20 508061488330088641
21 16418736123292904941
22 585427887134915295241

List of values

[1, 1, 1, 1, 1, 61, 361, 1261, 3361, 143641, 1829521, 12501721, 59922721, 2173048021, 44315751481, 478799701381, 3492321094081, 116722067432881, 3290135175240481, 50242015215929521, 508061488330088641, 16418736123292904941, 585427887134915295241]

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

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