T(n,k)=Number of nXk binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.
A228683
T(n,k)=Number of nXk binary arrays with no two ones adjacent horizontally, diagonally or antidiagonally.
Terms
- a(0) =2a(1) =3a(2) =4a(3) =5a(4) =7a(5) =8a(6) =8a(7) =19a(8) =17a(9) =16a(10) =13a(11) =40a(12) =77a(13) =41a(14) =32a(15) =21a(16) =97a(17) =216a(18) =313a(19) =99a(20) =64a(21) =34a(22) =217a(23) =809a(24) =1152a(25) =1277a(26) =239a(27) =128a(28) =55a(29) =508
External references
- oeis: A228683