T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

A299307

T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2, 3, 5, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =2a(7) =18a(8) =18a(9) =2a(10) =3a(11) =52a(12) =56a(13) =52a(14) =3a(15) =5a(16) =174a(17) =223a(18) =223a(19) =174a(20) =5a(21) =8a(22) =604a(23) =849a(24) =1024a(25) =849a(26) =604a(27) =8a(28) =13a(29) =2048

External references