Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
A296633
Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 4 neighboring 1s.
Terms
- a(0) =21a(1) =286a(2) =3581a(3) =44783a(4) =565149a(5) =7121315a(6) =89713772a(7) =1130293195a(8) =14240708558a(9) =179419300176
External references
- oeis: A296633