T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
A297224
T(n,k)=Number of nXk 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 neighboring 1s.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =3a(4) =4a(5) =1a(6) =4a(7) =8a(8) =9a(9) =1a(10) =6a(11) =16a(12) =24a(13) =19a(14) =1a(15) =9a(16) =33a(17) =57a(18) =68a(19) =41a(20) =1a(21) =13a(22) =69a(23) =182a(24) =207a(25) =196a(26) =88a(27) =1a(28) =19a(29) =145
External references
- oeis: A297224