Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302736
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =228a(3) =1652a(4) =11980a(5) =86916a(6) =630604a(7) =4575332a(8) =33196332a(9) =240856196a(10) =1747533964a(11) =12679246500a(12) =91994373868a(13) =667465912772
External references
- oeis: A302736