T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 or 1 and no column sum 0 or 1.

A255159

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 0 or 1 and no column sum 0 or 1.

Terms

    a(0) =28a(1) =62a(2) =62a(3) =141a(4) =158a(5) =141a(6) =331a(7) =459a(8) =459a(9) =331a(10) =773a(11) =1285a(12) =1637a(13) =1285a(14) =773a(15) =1782a(16) =3553a(17) =5615a(18) =5615a(19) =3553a(20) =1782a(21) =4105a(22) =9978a(23) =19437a(24) =24076a(25) =19437a(26) =9978a(27) =4105a(28) =9484a(29) =27903

External references