Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
A297392
Number of nX5 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1.
Terms
- a(0) =6a(1) =33a(2) =127a(3) =700a(4) =3175a(5) =15541a(6) =74736a(7) =358341a(8) =1729617a(9) =8308924a(10) =40006463a(11) =192481249a(12) =926168176a(13) =4456879585a(14) =21445119255a(15) =103193473908a(16) =496552428929
External references
- oeis: A297392