Numbers equal to the Euler totient function of their arithmetic derivative: k = phi(k').

Terms

a(0) =16a(1) =30a(2) =32a(3) =48a(4) =54a(5) =64a(6) =80a(7) =120a(8) =176a(9) =288a(10) =368a(11) =432a(12) =464a(13) =656a(14) =848a(15) =858a(16) =864a(17) =1328a(18) =1424a(19) =1722a(20) =1808a(21) =1944a(22) =2096a(23) =2768a(24) =2864a(25) =2916a(26) =3056a(27) =3728a(28) =3824a(29) =4016