Number of n X 3 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.
A285745
Number of n X 3 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) =1a(1) =8a(2) =105a(3) =550a(4) =5105a(5) =30918a(6) =265920a(7) =1773432a(8) =14632372a(9) =103605826a(10) =834224969a(11) =6128787272a(12) =48666035225a(13) =365893476096
External references
- oeis: A285745