A264061 - cp's OEIS frontend

A264061 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.

n	a(n)
1	1
2	45
3	2025
4	32400
5	518400
6	11151360
7	239878144
8	4614184960
9	88756326400
10	1773696512000
11	35445352960000
12	699751279718400
13	13814275005812736
14	273958624952463360
15	5433026934403993600
16	107577300516952780800

[1, 45, 2025, 32400, 518400, 11151360, 239878144, 4614184960, 88756326400, 1773696512000, 35445352960000, 699751279718400, 13814275005812736, 273958624952463360, 5433026934403993600, 107577300516952780800]

cp's OEIS Frontend

A264061 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.

Table of values

List of values