Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

A305346

Number of nX7 0..1 arrays with every element unequal to 0, 1, 3, 5 or 8 king-move adjacent elements, with upper left element zero.

Terms

    a(0) =21a(1) =237a(2) =245a(3) =1074a(4) =4685a(5) =17054a(6) =64658a(7) =259281a(8) =981360a(9) =3731097a(10) =14545752a(11) =55903882a(12) =213884003a(13) =825770439a(14) =3180306376a(15) =12211473431a(16) =47015069105a(17) =181022736584a(18) =696091000166

External references