Numbers m such that phi(sum of the divisors of m) = phi(sum of the distinct prime divisors of m) where phi is the Euler totient function.
A282515
Numbers m such that phi(sum of the divisors of m) = phi(sum of the distinct prime divisors of m) where phi is the Euler totient function.
Terms
- a(0) =3a(1) =6a(2) =10a(3) =22a(4) =34a(5) =142a(6) =178a(7) =214a(8) =382a(9) =862a(10) =1402a(11) =2302a(12) =5182a(13) =9098a(14) =15398a(15) =17398a(16) =21178a(17) =23602a(18) =279934a(19) =289558a(20) =296734a(21) =368062a(22) =900754a(23) =944782a(24) =1079374a(25) =1563442a(26) =1572862a(27) =1990654a(28) =2116342a(29) =2505886
External references
- oeis: A282515