Number of (n+5)X8 0..2 matrices with each 6X6 subblock idempotent.

Terms

a(0) =311767a(1) =166962a(2) =204512a(3) =225179a(4) =235172a(5) =240256a(6) =243100a(7) =305377a(8) =407789a(9) =530613a(10) =662764a(11) =799485a(12) =938407a(13) =1138890a(14) =1441115a(15) =1865533a(16) =2421461a(17) =3113508a(18) =3943711a(19) =4973756a(20) =6305467a(21) =8060878a(22) =10371453a(23) =13373548