a(1)=1. a(n) = the numerator of the sum of the reciprocals of the earlier terms of the sequence which are coprime to n.
A127009
a(1)=1. a(n) = the numerator of the sum of the reciprocals of the earlier terms of the sequence which are coprime to n.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =3a(5) =2a(6) =23a(7) =164a(8) =13389a(9) =243985
External references
- oeis: A127009