Number of nX5 0..1 arrays with every element unequal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

A317812

Number of nX5 0..1 arrays with every element unequal to 0, 2 or 3 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =5a(2) =5a(3) =34a(4) =38a(5) =94a(6) =230a(7) =552a(8) =1397a(9) =3674a(10) =9184a(11) =23878a(12) =60774a(13) =154748a(14) =397244a(15) =1018967a(16) =2615513a(17) =6711959a(18) =17205261a(19) =44124247a(20) =113202760a(21) =290421232a(22) =745101253a(23) =1911622370a(24) =4904294416a(25) =12582199698a(26) =32280536816a(27) =82818477145a(28) =212479820870

External references