T(n,k)=Number of (n+4)X(k+4) 0..1 matrices with each 5X5 subblock idempotent.

Terms

a(0) =5682a(1) =2351a(2) =2351a(3) =2662a(4) =1312a(5) =2662a(6) =3465a(7) =1494a(8) =1494a(9) =3465a(10) =4405a(11) =1720a(12) =1636a(13) =1720a(14) =4405a(15) =5385a(16) =1938a(17) =1896a(18) =1896a(19) =1938a(20) =5385a(21) =6713a(22) =2110a(23) =2136a(24) =2166a(25) =2136a(26) =2110a(27) =6713a(28) =8897a(29) =2591