T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

A300314

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =7a(5) =4a(6) =8a(7) =13a(8) =13a(9) =8a(10) =16a(11) =29a(12) =20a(13) =29a(14) =16a(15) =32a(16) =73a(17) =45a(18) =45a(19) =73a(20) =32a(21) =64a(22) =157a(23) =148a(24) =211a(25) =148a(26) =157a(27) =64a(28) =128a(29) =353

External references