T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with row sums equal and column sums equal.

A265089

T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with row sums equal and column sums equal.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =1a(4) =2a(5) =0a(6) =1a(7) =0a(8) =6a(9) =0a(10) =1a(11) =6a(12) =12a(13) =24a(14) =0a(15) =1a(16) =0a(17) =90a(18) =0a(19) =120a(20) =0a(21) =1a(22) =20a(23) =360a(24) =4464a(25) =1080a(26) =720a(27) =0a(28) =1a(29) =0

External references