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.

A383995 Series expansion of the exponential generating function exp(ff6^!(x)) - 1 where ff6^!(x) = x * (1-3*x-x^2+x^3) / (1+3*x+x^2-x^3).

Table of values

n a(n)
0 0
1 1
2 -11
3 61
4 -215
5 -1559
6 62941
7 -1371131
8 26310481
9 -474554735
10 7824076741
11 -98881279859
12 -176260664711
13 87457412423161
14 -5077434546358355
15 234510433823788501
16 -10016559114085864799
17 413333665704129673249
18 -16704968283664639137899
19 660340818239784197391325

List of values

[0, 1, -11, 61, -215, -1559, 62941, -1371131, 26310481, -474554735, 7824076741, -98881279859, -176260664711, 87457412423161, -5077434546358355, 234510433823788501, -10016559114085864799, 413333665704129673249, -16704968283664639137899, 660340818239784197391325]