Least number m such that the arithmetic mean of the distinct prime divisors of m is equal to 2^n.

A070009

Least number m such that the arithmetic mean of the distinct prime divisors of m is equal to 2^n.

Terms

    a(0) =2a(1) =15a(2) =39a(3) =87a(4) =183a(5) =2071a(6) =1255a(7) =1527a(8) =3063a(9) =18402a(10) =12279a(11) =106327a(12) =49143a(13) =622231a(14) =589794a(15) =1703767a(16) =1310695a(17) =9961111a(18) =3145719a(19) =31457210a(20) =12582903a(21) =310377127a(22) =50331639a(23) =2046816631a(24) =335544295a(25) =10603194271a(26) =8858369762a(27) =1610612727a(28) =44023413103a(29) =40802188951

External references