Number of nX8 binary arrays without the pattern 0 1 diagonally or vertically.

Terms

a(0) =256a(1) =2584a(2) =9841a(3) =25213a(4) =53296a(5) =100947a(6) =177859a(7) =297275a(8) =476905a(9) =740025a(10) =1116765a(11) =1645605a(12) =2375100a(13) =3365856a(14) =4692780a(15) =6447628a(16) =8741876a(17) =11709940a(18) =15512772a(19) =20341860a(20) =26423661a(21) =34024497a(22) =43455945a(23) =55080753a(24) =69319315a(25) =86656739