Number of 3Xn 0..5 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero.
A230731
Number of 3Xn 0..5 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =30a(4) =260a(5) =2790a(6) =32094a(7) =376934a(8) =4362078a(9) =50291874a(10) =579992382a(11) =6692484558a(12) =77225878898a(13) =891066286478
External references
- oeis: A230731