Totients t such that the number of divisors of t equals the number of solutions of phi(x) = t.

Terms

a(0) =6a(1) =12a(2) =80a(3) =160a(4) =312a(5) =352a(6) =928a(7) =1760a(8) =1792a(9) =3264a(10) =3960a(11) =7104a(12) =7648a(13) =13680a(14) =15984a(15) =16224a(16) =17760a(17) =19712a(18) =20352a(19) =20800a(20) =21088a(21) =22368a(22) =23184a(23) =25728a(24) =25888a(25) =26240a(26) =27072a(27) =29664a(28) =47952a(29) =57312