Number of nX6 0..6 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero.
A230685
Number of nX6 0..6 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =68a(3) =24050a(4) =2756394a(5) =272728160a(6) =25579990362
External references
- oeis: A230685