Number of nX5 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A303322

Number of nX5 0..1 arrays with every element equal to 0, 2, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =32a(2) =4a(3) =12a(4) =64a(5) =62a(6) =204a(7) =744a(8) =900a(9) =2996a(10) =9564a(11) =14880a(12) =45124a(13) =129796a(14) =240124a(15) =683372a(16) =1837592a(17) =3790988a(18) =10329636a(19) =26707488a(20) =59005404a(21) =155944784a(22) =394374956a(23) =909596688a(24) =2353555396a(25) =5880643036a(26) =13932609908a(27) =35527598224a(28) =88215135628

External references