Expansion of e.g.f. log(1 + Sum_{k>=1} phi(k) * x^k / k!), where phi = Euler totient function (A000010).

A328053

Expansion of e.g.f. log(1 + Sum_{k>=1} phi(k) * x^k / k!), where phi = Euler totient function (A000010).

Terms

    a(0) =0a(1) =1a(2) =0a(3) =1a(4) =-3a(5) =8a(6) =-32a(7) =166a(8) =-926a(9) =5842a(10) =-42812a(11) =348632a(12) =-3088388a(13) =29871372a(14) =-314102574a(15) =3554714938a(16) =-43057252520a(17) =556487433400

External references