Number of (n+7) X 14 0..1 matrices with each 8 X 8 subblock idempotent.

Terms

a(0) =861932a(1) =115146a(2) =108474a(3) =118423a(4) =126820a(5) =132787a(6) =136874a(7) =139746a(8) =141832a(9) =161627a(10) =198640a(11) =248635a(12) =307476a(13) =372031a(14) =440236a(15) =510818a(16) =582955a(17) =674367a(18) =802202a(19) =979519a(20) =1215206a(21) =1514964a(22) =1882439a(23) =2319993a(24) =2829145a(25) =3429181a(26) =4156454a(27) =5060523a(28) =6199800