Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
A207921
Number of 6Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =26a(1) =676a(2) =3910a(3) =23637a(4) =117835a(5) =612439a(6) =3327954a(7) =17621905a(8) =92785236a(9) =493226298a(10) =2618710999a(11) =13869205695a(12) =73534808659a(13) =390043559718
External references
- oeis: A207921