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.

A322253 Number of circular permutations of the integers from 0 to n which generate a complete stepping-on sequence, when the stepping-on direction depends on the odd/even parity of the current value.

Table of values

n a(n)
1 1
2 2
3 2
4 4
5 4
6 48
7 24
8 32
9 288
10 3072
11 3856
12 38272
13 89328
14 1294080

List of values

[1, 2, 2, 4, 4, 48, 24, 32, 288, 3072, 3856, 38272, 89328, 1294080]