Expansion of e.g.f. exp(Sum_{k>=1} d(k)*x^k/k!), where d(k) is the number of divisors of k (A000005).

A295739

Expansion of e.g.f. exp(Sum_{k>=1} d(k)*x^k/k!), where d(k) is the number of divisors of k (A000005).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =9a(4) =36a(5) =158a(6) =802a(7) =4434a(8) =26978a(9) =176637a(10) =1243528a(11) =9316519a(12) =74065506a(13) =621187700a(14) =5480130494a(15) =50662481722a(16) =489552042241

External references