T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
A285750
T(n,k) = Number of n X k 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =1a(4) =4a(5) =0a(6) =2a(7) =8a(8) =14a(9) =0a(10) =6a(11) =44a(12) =105a(13) =52a(14) =0a(15) =12a(16) =150a(17) =630a(18) =550a(19) =206a(20) =0a(21) =28a(22) =540a(23) =4850a(24) =8544a(25) =5105a(26) =772a(27) =0a(28) =56a(29) =2042
External references
- oeis: A285750