Composite terms in A376471.

Terms

a(0) =6a(1) =9a(2) =20a(3) =25a(4) =77a(5) =81a(6) =121a(7) =208a(8) =256a(9) =323a(10) =361a(11) =625a(12) =667a(13) =841a(14) =1147a(15) =1369a(16) =1763a(17) =1849a(18) =2303a(19) =2401a(20) =3127a(21) =3481a(22) =4087a(23) =4489a(24) =5183a(25) =5329a(26) =6557a(27) =6561a(28) =6889a(29) =8633