Number of nX7 0..1 arrays with every element equal to 0, 3, 4, 6 or 7 king-move adjacent elements, with upper left element zero.

A298666

Number of nX7 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) =8a(2) =7a(3) =13a(4) =84a(5) =238a(6) =978a(7) =3895a(8) =11843a(9) =49752a(10) =184380a(11) =640323a(12) =2550161a(13) =9291605a(14) =34411340a(15) =132207077a(16) =488538547a(17) =1844610495a(18) =6998077491a(19) =26247637676a(20) =99671069188a(21) =378042682211

External references