Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
A297737
Number of 5Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 2 or 4 neighboring 1s.
Terms
- a(0) =1a(1) =6a(2) =151a(3) =502a(4) =2719a(5) =11341a(6) =82549a(7) =396787a(8) =2346541a(9) =11876657a(10) =70286741a(11) =374560274a(12) =2145325624a(13) =11643190391a(14) =66070482072a(15) =363830683327
External references
- oeis: A297737