Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

A298665

Number of nX6 0..1 arrays with every element equal to 0, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =9a(4) =38a(5) =169a(6) =238a(7) =1019a(8) =3112a(9) =7518a(10) =25887a(11) =74736a(12) =218787a(13) =690826a(14) =2069920a(15) =6363967a(16) =19855161a(17) =61528839a(18) =192963096a(19) =609853755a(20) =1933979526a(21) =6175400889a(22) =19859400627a(23) =64164744962a(24) =208511225451a(25) =681665542190

External references