T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.

A264638

T(n,k)=Number of nXk arrays of permutations of 0..n*k-1 with rows nondecreasing modulo 2 and columns nondecreasing modulo 4.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =4a(7) =28a(8) =16a(9) =1a(10) =12a(11) =400a(12) =960a(13) =128a(14) =2a(15) =36a(16) =7776a(17) =107568a(18) =46656a(19) =1152a(20) =4a(21) =144a(22) =229392a(23) =21565440a(24) =71663616a(25) =4561920a(26) =12960a(27) =8a(28) =576a(29) =9082368

External references