Number of (n+4) X 11 0..1 matrices with each 5 X 5 subblock idempotent.

Terms

a(0) =6713a(1) =2591a(2) =2862a(3) =3214a(4) =3540a(5) =3819a(6) =4572a(7) =5723a(8) =7181a(9) =8868a(10) =10729a(11) =13235a(12) =16781a(13) =21671a(14) =28131a(15) =36332a(16) =46916a(17) =60920a(18) =79685a(19) =104778a(20) =137937a(21) =181542a(22) =239010a(23) =315099a(24) =416134a(25) =550178a(26) =727674a(27) =962482a(28) =1273220a(29) =1684831