T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.

A206010

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one, and every 2X2 determinant nonzero.

Terms

    a(0) =24a(1) =78a(2) =78a(3) =228a(4) =300a(5) =228a(6) =722a(7) =980a(8) =980a(9) =722a(10) =2136a(11) =3706a(12) =2728a(13) =3706a(14) =2136a(15) =6688a(16) =12304a(17) =12068a(18) =12068a(19) =12304a(20) =6688a(21) =19976a(22) =45810a(23) =33572a(24) =64224a(25) =33572a(26) =45810a(27) =19976a(28) =62048a(29) =154346

External references