9344160

Appears in sequences

• a(n) = n! * d(n), where n! = factorial numbers (A000142), d(n) = subfactorial numbers (A000166).at n=7A082491
• Number of nX7 1..(max n,7) arrays with each row and column having unrepeated values.at n=1A221437
• T(n,k) is the number of n X k 1..(max n,k) arrays with each row and column having unrepeated values.at n=29A221438
• T(n,k) is the number of n X k 1..(max n,k) arrays with each row and column having unrepeated values.at n=34A221438