Number of (n+1)X2 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.
A187433
Number of (n+1)X2 0..2 arrays with no 2X2 subblock commuting with any of its horizontal and vertical 2X2 subblock neighbors.
Terms
- a(0) =81a(1) =646a(2) =5344a(3) =44195a(4) =365485a(5) =3022484a(6) =24995294a(7) =206705746a(8) =1709412335a(9) =14136474668a(10) =116905624191a(11) =966784526492
External references
- oeis: A187433