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.

A304861 O.g.f. A(x) satisfies: 0 = [x^n] exp( n*(n-1) * Integral 1/A(x) dx ) / A(x), for n > 0.

Table of values

n a(n)
0 1
1 0
2 2
3 20
4 328
5 7664
6 231744
7 8560512
8 372339840
9 18593869184
10 1046764673152
11 65518908623360
12 4510397034460160
13 338534873778165760
14 27505042556295458816
15 2404499023598887772160
16 225014884122460397678592
17 22441327480906466274779136
18 2376060993772932821157273600
19 266169866452350363506325897216
20 31451236460722731478509841711104

List of values

[1, 0, 2, 20, 328, 7664, 231744, 8560512, 372339840, 18593869184, 1046764673152, 65518908623360, 4510397034460160, 338534873778165760, 27505042556295458816, 2404499023598887772160, 225014884122460397678592, 22441327480906466274779136, 2376060993772932821157273600, 266169866452350363506325897216, 31451236460722731478509841711104]