Sum of A250469 and its Dirichlet inverse.

Terms

a(0) =2a(1) =0a(2) =0a(3) =9a(4) =0a(5) =30a(6) =0a(7) =27a(8) =25a(9) =42a(10) =0a(11) =45a(12) =0a(13) =66a(14) =70a(15) =45a(16) =0a(17) =75a(18) =0a(19) =99a(20) =110a(21) =78a(22) =0a(23) =3a(24) =49a(25) =102a(26) =125a(27) =135a(28) =0a(29) =60