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.

A319509 a(n) = n! * [x^n] 1/(1 - n + exp(x)*(exp(n*x) - 1)/(exp(x) - 1)).

Table of values

n a(n)
0 1
1 -1
2 13
3 -828
4 145046
5 -53306325
6 35351663831
7 -38335940184976
8 63385171527442332
9 -151639317344211911505
10 503956292395339783686325
11 -2252032996384696958326480356
12 13175456854397460097168816336930
13 -98695402553214372025148083384255381

List of values

[1, -1, 13, -828, 145046, -53306325, 35351663831, -38335940184976, 63385171527442332, -151639317344211911505, 503956292395339783686325, -2252032996384696958326480356, 13175456854397460097168816336930, -98695402553214372025148083384255381]