Number of 5Xn arrays containing n copies of 0..5-1 with column sums equal.
A268474
Number of 5Xn arrays containing n copies of 0..5-1 with column sums equal.
Terms
- a(0) =120a(1) =19800a(2) =4140000a(3) =1007460000a(4) =269568000000
External references
- oeis: A268474