Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
A222287
Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.
Terms
- a(0) =4a(1) =8a(2) =83a(3) =1125a(4) =6582a(5) =89852a(6) =564838a(7) =7879795a(8) =50958999a(9) =723447048a(10) =4750196831a(11) =67994171066a(12) =451003258750
External references
- oeis: A222287