Number of tilings of an 11 X n rectangle using integer-sided square tiles of area > 1.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =4a(6) =51a(7) =0a(8) =0a(9) =0a(10) =104a(11) =777a(12) =3845a(13) =52a(14) =45a(15) =1247a(16) =19600a(17) =96138a(18) =295711a(19) =8256a(20) =27485a(21) =341034a(22) =2741563a(23) =10253987a(24) =22931155a(25) =1312790a(26) =7243470a(27) =60002173a(28) =333466344a(29) =1013398942