Number of nX7 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.

A296312

Number of nX7 0..1 arrays with each 1 adjacent to 3 or 6 king-move neighboring 1s.

Terms

    a(0) =1a(1) =13a(2) =37a(3) =76a(4) =343a(5) =1198a(6) =3300a(7) =11494a(8) =40212a(9) =124949a(10) =411819a(11) =1420725a(12) =4630181a(13) =15261713a(14) =52974631a(15) =177041204a(16) =594852367a(17) =2123852461a(18) =7288302228a(19) =25323936673a(20) =94640313598a(21) =336885832698

External references