Numbers m such that Sum_{p prime|m} p^r(p) = m, where r(p) is the least positive primitive root of p (A001918).
A101051
Numbers m such that Sum_{p prime|m} p^r(p) = m, where r(p) is the least positive primitive root of p (A001918).
Terms
- a(0) =2a(1) =9a(2) =25a(3) =121a(4) =132a(5) =169a(6) =343a(7) =361a(8) =841a(9) =1369a(10) =2809a(11) =3481a(12) =3721a(13) =4489a(14) =4913a(15) =6889a(16) =10201a(17) =11449a(18) =16371a(19) =17161a(20) =19321a(21) =22201a(22) =26569a(23) =29791a(24) =29929a(25) =32041a(26) =32761a(27) =38809a(28) =44521a(29) =51529
External references
- oeis: A101051