A322126 - cp's OEIS frontend

A322126 Number of permutations of the multiset {1,1,1,1,1,2,2,2,2,2,3,3,3,3,3,...,n,n,n,n,n} with no two consecutive terms equal.

n	a(n)
0	1
1	0
2	2
3	7188
4	134631576
5	7946203275000
6	1210527140790855600
7	411490045733601418421040
8	280031356887267221923677137280
9	351026687723982522494728236869341440
10	758933713536173718404757245269681913222400

[1, 0, 2, 7188, 134631576, 7946203275000, 1210527140790855600, 411490045733601418421040, 280031356887267221923677137280, 351026687723982522494728236869341440, 758933713536173718404757245269681913222400]

cp's OEIS Frontend

A322126 Number of permutations of the multiset {1,1,1,1,1,2,2,2,2,2,3,3,3,3,3,...,n,n,n,n,n} with no two consecutive terms equal.

Table of values

List of values