Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
A297653
Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1, 2 or 3 neighboring 1s.
Terms
- a(0) =37a(1) =6757a(2) =268655a(3) =16899640a(4) =1075678445a(5) =63350980838
External references
- oeis: A297653