T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
A268766
T(n,k)=Number of nXk binary arrays with some element plus some horizontally, vertically, diagonally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =6a(5) =2a(6) =5a(7) =15a(8) =15a(9) =5a(10) =10a(11) =44a(12) =56a(13) =44a(14) =10a(15) =20a(16) =105a(17) =223a(18) =223a(19) =105a(20) =20a(21) =38a(22) =258a(23) =762a(24) =1148a(25) =762a(26) =258a(27) =38a(28) =71a(29) =595
External references
- oeis: A268766