Number of n X 3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1's.
A297677
Number of n X 3 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 4 neighboring 1's.
Terms
- a(0) =7a(1) =29a(2) =150a(3) =742a(4) =3744a(5) =18840a(6) =94891a(7) =477850a(8) =2406649a(9) =12120617a(10) =61043229a(11) =307433020a(12) =1548331209a(13) =7797889752a(14) =39272660089a(15) =197789648884a(16) =996131790595
External references
- oeis: A297677