Exponential reversion of Euler totient function A000010.

A050392

Exponential reversion of Euler totient function A000010.

Terms

    a(0) =1a(1) =-1a(2) =1a(3) =3a(4) =-39a(5) =257a(6) =-909a(7) =-6389a(8) =183715a(9) =-2326009a(10) =15050003a(11) =140089725a(12) =-6804608381a(13) =130909360315

External references