Totient highly abundant numbers that are composite.

Terms

a(0) =4a(1) =9a(2) =221a(3) =289a(4) =697a(5) =1819a(6) =2329a(7) =4369a(8) =4913a(9) =6439a(10) =18769a(11) =21331a(12) =35209a(13) =66049a(14) =128881a(15) =184783a(16) =197143a(17) =258121a(18) =281929a(19) =516961a(20) =739903a(21) =971203a(22) =1762249a(23) =1942663a(24) =2070721a(25) =2898703a(26) =2952673a(27) =3820819a(28) =4142881a(29) =5550943