Number of basic blocks of size 5xn for tilings with square tiles of size up to 5 X 5.

Terms

a(0) =1a(1) =7a(2) =13a(3) =20a(4) =35a(5) =66a(6) =118a(7) =218a(8) =402a(9) =738a(10) =1358a(11) =2498a(12) =4594a(13) =8450a(14) =15542a(15) =28586a(16) =52578a(17) =96706a(18) =177870a(19) =327154a(20) =601730a(21) =1106754a(22) =2035638a(23) =3744122a(24) =6886514a(25) =12666274a(26) =23296910a(27) =42849698a(28) =78812882a(29) =144959490