Number of 5Xn 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.
A230689
Number of 5Xn 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) =0a(3) =32a(4) =15624a(5) =2756394a(6) =296568384a(7) =24842737670
External references
- oeis: A230689