T(n,k)=Number of (n+6)X(k+6) 0..1 matrices with each 7X7 subblock idempotent.

Terms

a(0) =2185738a(1) =164935a(2) =164935a(3) =125525a(4) =26918a(5) =125525a(6) =122508a(7) =22928a(8) =22928a(9) =122508a(10) =128620a(11) =24643a(12) =21966a(13) =24643a(14) =128620a(15) =138581a(16) =26542a(17) =24293a(18) =24293a(19) =26542a(20) =138581a(21) =146715a(22) =27611a(23) =26294a(24) =26528a(25) =26294a(26) =27611a(27) =146715a(28) =156428a(29) =28629