a(n) = Sum_{d|n} d^Omega(d).

Terms

a(0) =1a(1) =3a(2) =4a(3) =19a(4) =6a(5) =42a(6) =8a(7) =531a(8) =85a(9) =108a(10) =12a(11) =1786a(12) =14a(13) =206a(14) =234a(15) =66067a(16) =18a(17) =5955a(18) =20a(19) =8124a(20) =452a(21) =498a(22) =24a(23) =334074a(24) =631a(25) =692a(26) =19768a(27) =22174a(28) =30a(29) =27372