T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
A284165
T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =4a(5) =3a(6) =6a(7) =13a(8) =13a(9) =6a(10) =10a(11) =42a(12) =62a(13) =42a(14) =10a(15) =19a(16) =134a(17) =461a(18) =461a(19) =134a(20) =19a(21) =33a(22) =467a(23) =2872a(24) =5888a(25) =2872a(26) =467a(27) =33a(28) =62a(29) =1689
External references
- oeis: A284165