Number of nX6 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order.
A233071
Number of nX6 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 in row major order.
Terms
- a(0) =122a(1) =9801a(2) =952869a(3) =95264272a(4) =9622519979a(5) =975239425635
External references
- oeis: A233071