T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the determinants of 2 X 2 subblocks nondecreasing rightwards and downwards.

A204616

T(n,k) = Number of (n+1) X (k+1) 0..1 arrays with the determinants of 2 X 2 subblocks nondecreasing rightwards and downwards.

Terms

    a(0) =16a(1) =47a(2) =47a(3) =125a(4) =181a(5) =125a(6) =335a(7) =749a(8) =749a(9) =335a(10) =907a(11) =3254a(12) =4901a(13) =3254a(14) =907a(15) =2470a(16) =14199a(17) =31805a(18) =31805a(19) =14199a(20) =2470a(21) =6740a(22) =62031a(23) =205117a(24) =313597a(25) =205117a(26) =62031a(27) =6740a(28) =18406a(29) =271125

External references