Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.
A207907
Number of nX7 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 0 1 1 vertically.
Terms
- a(0) =40a(1) =1600a(2) =13230a(3) =80511a(4) =417425a(5) =1726758a(6) =6835345a(7) =24832818a(8) =86006178a(9) =290773660a(10) =952221873a(11) =3079379225a(12) =9827714792a(13) =31055966425a(14) =97631157960a(15) =305161540736a(16) =950767241358
External references
- oeis: A207907