Numbers n such that phi(n) + sigma(n) = (3/2)*reversal(n).
A230013
Numbers n such that phi(n) + sigma(n) = (3/2)*reversal(n).
Terms
- a(0) =2993a(1) =29993a(2) =2999993a(3) =230880803a(4) =299999993a(5) =2999999993
External references
- oeis: A230013
A230013
Numbers n such that phi(n) + sigma(n) = (3/2)*reversal(n).