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.

A169636 Number of permutations of A004001 sequence vectors:a(n)=Length[Permutations[Table[A004001[i], {i, 0, m}]]].

Table of values

n a(n)
0 1
1 2
2 3
3 12
4 30
5 180
6 1260
7 5040
8 15120
9 151200
10 1663200

List of values

[1, 2, 3, 12, 30, 180, 1260, 5040, 15120, 151200, 1663200]