Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
A301445
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =29a(2) =171a(3) =1008a(4) =5930a(5) =34976a(6) =206266a(7) =1216562a(8) =7175157a(9) =42318566a(10) =249591629a(11) =1472072549a(12) =8682172154a(13) =51206792942a(14) =302013780922
External references
- oeis: A301445