Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
A297603
Number of nX4 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 0, 1 or 3 neighboring 1s.
Terms
- a(0) =13a(1) =96a(2) =787a(3) =6413a(4) =52512a(5) =429491a(6) =3514058a(7) =28752016a(8) =235246416a(9) =1924772818a(10) =15748396926a(11) =128852570569
External references
- oeis: A297603