A057599 - cp's OEIS frontend

A057599 a(n) = (n^2)!/(n!)^(n+1); number of ways of dividing n^2 labeled items into n unlabeled boxes of n items each.

n	a(n)
0	1
1	1
2	3
3	280
4	2627625
5	5194672859376
6	3708580189773818399040
7	1461034854396267778567973305958400
8	450538787986875167583433232345723106006796340625
9	146413934927214422927834111686633731590253260933067148964500000000

[1, 1, 3, 280, 2627625, 5194672859376, 3708580189773818399040, 1461034854396267778567973305958400, 450538787986875167583433232345723106006796340625, 146413934927214422927834111686633731590253260933067148964500000000]

cp's OEIS Frontend

A057599 a(n) = (n^2)!/(n!)^(n+1); number of ways of dividing n^2 labeled items into n unlabeled boxes of n items each.

Table of values

List of values