Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
A302966
Number of 3Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.
Terms
- a(0) =4a(1) =32a(2) =154a(3) =786a(4) =3924a(5) =19868a(6) =100161a(7) =505908a(8) =2554201a(9) =12898093a(10) =65130456a(11) =328890172a(12) =1660800969a(13) =8386586118a(14) =42349950959a(15) =213855666444
External references
- oeis: A302966