Numbers k such that phi(k) = 2*tau(k)^2.

Terms

a(0) =51a(1) =117a(2) =148a(3) =255a(4) =585a(5) =608a(6) =740a(7) =876a(8) =2000a(9) =2912a(10) =3040a(11) =3552a(12) =3876a(13) =3978a(14) =4380a(15) =6528a(16) =7776a(17) =8892a(18) =9324a(19) =14560a(20) =14688a(21) =14976a(22) =15912a(23) =17760a(24) =18564a(25) =19380a(26) =19890a(27) =32640a(28) =38304a(29) =38880