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.

A363556 Expansion of g.f. A(x) satisfying 0 = Sum_{n>=0} (-1)^n * x^(n*(n-1)/2) * A(x)^(n^2) / Product_{k=2..n+2} (1 - x^k*A(x)^(2*k+1)).

Table of values

n a(n)
0 1
1 1
2 4
3 20
4 116
5 729
6 4835
7 33308
8 236040
9 1709710
10 12601576
11 94209348
12 712665643
13 5445033052
14 41957720686
15 325702058100
16 2544612673624
17 19993230400674
18 157880283331190
19 1252345341860312
20 9974116387535508
21 79727867712667593
22 639419309923767255
23 5143690907082615272

List of values

[1, 1, 4, 20, 116, 729, 4835, 33308, 236040, 1709710, 12601576, 94209348, 712665643, 5445033052, 41957720686, 325702058100, 2544612673624, 19993230400674, 157880283331190, 1252345341860312, 9974116387535508, 79727867712667593, 639419309923767255, 5143690907082615272]