Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A303464
Number of nX3 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =29a(2) =170a(3) =1033a(4) =6369a(5) =39098a(6) =240109a(7) =1476141a(8) =9071642a(9) =55751425a(10) =342663945a(11) =2106046874a(12) =12944002597a(13) =79556015733a(14) =488963529146
External references
- oeis: A303464