Sum k!, where sum is over positive integers k <= n with gcd(k,n) = 1.

A057795

Sum k!, where sum is over positive integers k <= n with gcd(k,n) = 1.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =7a(4) =33a(5) =121a(6) =873a(7) =5167a(8) =45507a(9) =367927a(10) =4037913a(11) =39921961a(12) =522956313a(13) =6267300607a(14) =93445274187

External references