Number of nX3 0..6 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 7, and upper left element zero.
A230530
Number of nX3 0..6 arrays x(i,j) with each element horizontally or vertically 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) =0a(4) =52a(5) =1738a(6) =18106a(7) =197916a(8) =2076832a(9) =21111192a(10) =210584430a(11) =2084545432a(12) =20498628052a(13) =200742823012
External references
- oeis: A230530