Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.
A222671
Number of nX6 0..2 arrays with exactly floor(nX6/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order.
Terms
- a(0) =8a(1) =80a(2) =1336a(3) =20606a(4) =426362a(5) =9334575a(6) =244592240a(7) =6696876400a(8) =189469189930
External references
- oeis: A222671