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

A207878

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

Terms

    a(0) =28a(1) =784a(2) =1488a(3) =4200a(4) =8892a(5) =24952a(6) =51696a(7) =136490a(8) =313524a(9) =741944a(10) =1781472a(11) =4256398a(12) =10168008a(13) =23945116a(14) =57760744a(15) =138028240a(16) =325742600a(17) =781955124a(18) =1868173840a(19) =4441180174a(20) =10581963516a(21) =25315989248a(22) =60356380176a(23) =143569382950

External references