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.

A131502 Half the number of permutations of 0..n with a zero n-th difference.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 8
5 3
6 136
7 29
8 928
9 942
10 66496
11 6175
12 2785856
13 205678
14 11122048

List of values

[0, 0, 1, 1, 8, 3, 136, 29, 928, 942, 66496, 6175, 2785856, 205678, 11122048]