Number of (n+5)X6 0..1 matrices with each 6X6 subblock idempotent.

Terms

a(0) =96608a(1) =18044a(2) =16696a(3) =18868a(4) =22096a(5) =25769a(6) =28708a(7) =33705a(8) =40120a(9) =50747a(10) =67088a(11) =91787a(12) =125249a(13) =171289a(14) =230543a(15) =308919a(16) =413997a(17) =558937a(18) =759651a(19) =1041635a(20) =1432497a(21) =1971637a(22) =2708903a(23) =3714751a(24) =5085273a(25) =6961121a(26) =9533251a(27) =13070447a(28) =17936977