Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
A296584
Number of nX4 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
Terms
- a(0) =8a(1) =62a(2) =346a(3) =2458a(4) =17503a(5) =125765a(6) =923475a(7) =6803610a(8) =50377421a(9) =373850392a(10) =2777732079a(11) =20654701931a(12) =153644634237
External references
- oeis: A296584