286243776

Appears in sequences

• Number of orbits of the wreath product of S_n with S_n on n X n matrices over {0,1,2,3,4}.at n=5A099123
• Array read by antidiagonals: A(n,k) is the number of n element multisets of n element multisets of a k-set.at n=60A331436
• Number of n element multisets of n element multisets of an n-set.at n=5A331477