T(n,k)=Number of (n+5)X(k+5) 0..2 matrices with each 6X6 subblock idempotent.

Terms

a(0) =2236302a(1) =396769a(2) =396769a(3) =311767a(4) =134036a(5) =311767a(6) =338635a(7) =166962a(8) =166962a(9) =338635a(10) =396573a(11) =187090a(12) =204512a(13) =187090a(14) =396573a(15) =443744a(16) =197423a(17) =225179a(18) =225179a(19) =197423a(20) =443744a(21) =449369a(22) =201378a(23) =235172a(24) =245916a(25) =235172a(26) =201378a(27) =449369a(28) =544003a(29) =204289