T(n,k) = 1/4 the number of (n+1) X (k+1) binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
A184604
T(n,k) = 1/4 the number of (n+1) X (k+1) binary arrays with equal numbers of 2 X 2 subblocks with sums 1 and 3.
Terms
- a(0) =2a(1) =5a(2) =5a(3) =16a(4) =24a(5) =16a(6) =58a(7) =156a(8) =156a(9) =58a(10) =214a(11) =1123a(12) =1986a(13) =1123a(14) =214a(15) =784a(16) =8268a(17) =28192a(18) =28192a(19) =8268a(20) =784a(21) =2880a(22) =60569a(23) =411825a(24) =782948a(25) =411825a(26) =60569a(27) =2880a(28) =10704a(29) =446426
External references
- oeis: A184604