Number of tilings of a 7 X n rectangle using integer-sided square tiles of area > 1.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =7a(7) =1a(8) =0a(9) =0a(10) =2a(11) =0a(12) =57a(13) =16a(14) =1a(15) =0a(16) =32a(17) =4a(18) =463a(19) =197a(20) =29a(21) =1a(22) =392a(23) =100a(24) =3767a(25) =2150a(26) =518a(27) =46a(28) =4267a(29) =1668