Primes that are the sum of the numerator and denominator of a harmonic number.
A118727
Primes that are the sum of the numerator and denominator of a harmonic number.
Terms
- a(0) =2a(1) =5a(2) =17a(3) =37a(4) =197a(5) =503a(6) =9649a(7) =9901a(8) =111431a(9) =1532093a(10) =1556117a(11) =71354639a(12) =392849685203
External references
- oeis: A118727