Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

A207588

Number of nX7 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.

Terms

    a(0) =42a(1) =1764a(2) =1728a(3) =8244a(4) =30056a(5) =85536a(6) =263550a(7) =876860a(8) =2830656a(9) =8637716a(10) =26358144a(11) =82906122a(12) =259356680a(13) =797032056a(14) =2446151996a(15) =7564283208a(16) =23414818812a(17) =72062481458a(18) =221435203512a(19) =682319992200

External references