Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.
A207470
Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 1 0 and 1 0 1 vertically.
Terms
- a(0) =26a(1) =676a(2) =3910a(3) =23645a(4) =119965a(5) =491948a(6) =2090927a(7) =7990970a(8) =29983194a(9) =111123886a(10) =398530787a(11) =1431372629a(12) =5073097036a(13) =17882557521a(14) =62951565198a(15) =220461353120a(16) =771854520770
External references
- oeis: A207470