Number of nX7 1..(max n,7) arrays with each row and column having unrepeated values.
A221437
Number of nX7 1..(max n,7) arrays with each row and column having unrepeated values.
Terms
- a(0) =5040a(1) =9344160a(2) =5411750400a(3) =782137036800
External references
- oeis: A221437