Numbers m such that phi(sum of divisors of m) = lambda(sum of distinct primes dividing m).

A284202

Numbers m such that phi(sum of divisors of m) = lambda(sum of distinct primes dividing m).

Terms

    a(0) =3a(1) =6a(2) =10a(3) =22a(4) =34a(5) =142a(6) =214a(7) =382a(8) =862a(9) =2302a(10) =5182a(11) =279934a(12) =944782a(13) =1572862a(14) =1990654a(15) =114791254a(16) =127401982a(17) =339738622a(18) =8153726974a(19) =21743271934

External references