Number of nX7 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
A232940
Number of nX7 0..2 arrays with no element x(i,j) adjacent to value 2-x(i,j) horizontally, vertically or antidiagonally.
Terms
- a(0) =192a(1) =554a(2) =7212a(3) =79810a(4) =932576a(5) =10700160a(6) =123516664a(7) =1422959686a(8) =16403819514a(9) =189062126148
External references
- oeis: A232940