cp's OEIS Frontend

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.

A235321 E.g.f. satisfies: A'(x) = A(x)^4 * A(-x)^2 with A(0) = 1.

Table of values

n a(n)
0 1
1 1
2 2
3 10
4 56
5 496
6 4592
7 58240
8 753536
9 12428416
10 206700032
11 4194910720
12 85291222016
13 2054623707136
14 49390297628672
15 1376983620812800
16 38210541166493696
17 1209980100295622656
18 38070418025153626112
19 1349585751030491054080
20 47479274652991633227776

List of values

[1, 1, 2, 10, 56, 496, 4592, 58240, 753536, 12428416, 206700032, 4194910720, 85291222016, 2054623707136, 49390297628672, 1376983620812800, 38210541166493696, 1209980100295622656, 38070418025153626112, 1349585751030491054080, 47479274652991633227776]