T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
A300259
T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 4, 6, 7 or 8 king-move adjacent elements, with upper left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =4a(4) =8a(5) =4a(6) =8a(7) =31a(8) =31a(9) =8a(10) =16a(11) =121a(12) =179a(13) =121a(14) =16a(15) =32a(16) =472a(17) =1080a(18) =1080a(19) =472a(20) =32a(21) =64a(22) =1841a(23) =6585a(24) =10363a(25) =6585a(26) =1841a(27) =64a(28) =128a(29) =7181
External references
- oeis: A300259