Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

A302431

Number of 6Xn 0..1 arrays with every element equal to 0, 1, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Terms

    a(0) =32a(1) =42a(2) =93a(3) =362a(4) =992a(5) =4231a(6) =14764a(7) =53851a(8) =182216a(9) =685166a(10) =2496115a(11) =9055292a(12) =32007765a(13) =116943901a(14) =427027396a(15) =1549343892a(16) =5552467791a(17) =20133254864a(18) =73288484477a(19) =265972968443a(20) =958816836857

External references