Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

A299558

Number of nX5 0..1 arrays with every element equal to 0, 2, 3, 5, 7 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =31a(2) =21a(3) =77a(4) =348a(5) =1094a(6) =3919a(7) =13977a(8) =49728a(9) =182756a(10) =669766a(11) =2444078a(12) =8944985a(13) =32753763a(14) =119833236a(15) =438741809a(16) =1606516717a(17) =5881961826a(18) =21538299550a(19) =78868479665a(20) =288794128838

External references