Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

A298772

Number of nX5 0..1 arrays with every element equal to 1, 2, 4, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =3a(1) =23a(2) =47a(3) =233a(4) =682a(5) =2603a(6) =11657a(7) =39908a(8) =149791a(9) =617528a(10) =2340328a(11) =8921969a(12) =34929827a(13) =135499003a(14) =522693251a(15) =2023538485a(16) =7856615385a(17) =30426642588a(18) =117738552981a(19) =456437251086

External references