Number of 4Xn 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero.
A230917
Number of 4Xn 0..7 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 8, and upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =118a(4) =5714a(5) =154352a(6) =4725576a(7) =148720522a(8) =4752381758a(9) =151802078918
External references
- oeis: A230917