Numbers m such that m is the phi(m)-th composite number (m = A002808(phi(m))).
A100410
Numbers m such that m is the phi(m)-th composite number (m = A002808(phi(m))).
Terms
- a(0) =6a(1) =15a(2) =21a(3) =265a(4) =295a(5) =2681a(6) =174757a(7) =1302197a(8) =237875719a(9) =358334927a(10) =26530938403a(11) =26965177391a(12) =127649964961a(13) =409720883023
External references
- oeis: A100410