Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.

A207726

Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.

Terms

    a(0) =15a(1) =225a(2) =611a(3) =2163a(4) =8575a(5) =27931a(6) =88243a(7) =288813a(8) =926949a(9) =2927115a(10) =9278885a(11) =29390445a(12) =92717065a(13) =292337359a(14) =921806095a(15) =2904391209a(16) =9147369231a(17) =28808166663a(18) =90713456051a(19) =285607327515a(20) =899181685831

External references