Number of 4Xn 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.
A230688
Number of 4Xn 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) =2a(4) =360a(5) =24050a(6) =974548a(7) =30543988a(8) =887242598a(9) =25527277010a(10) =725996132762
External references
- oeis: A230688