Number of n X 4 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.
A230683
Number of n X 4 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) =32a(5) =432a(6) =5182a(7) =58298a(8) =631576a(9) =6674138a(10) =69325782a(11) =711282602a(12) =7231989990a(13) =73034927200a(14) =733786949368
External references
- oeis: A230683