Number of (n+7)X12 0..1 matrices with each 8X8 subblock idempotent.

Terms

a(0) =891884a(1) =107496a(2) =99428a(3) =108764a(4) =116744a(5) =122713a(6) =126820a(7) =129646a(8) =131588a(9) =150819a(10) =187014a(11) =236085a(12) =293902a(13) =357451a(14) =424560a(15) =494058a(16) =565037a(17) =654785a(18) =780204a(19) =954187a(20) =1185430a(21) =1479852a(22) =1840901a(23) =2270907a(24) =2771411a(25) =3361205a(26) =4075790a(27) =4963927a(28) =6082850