Numbers n such that the sum of first n nontrivial prime powers (A025475 excluding 1) is divisible by n.

A225792

Numbers n such that the sum of first n nontrivial prime powers (A025475 excluding 1) is divisible by n.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =9a(4) =13a(5) =54a(6) =384a(7) =596a(8) =7289a(9) =18136a(10) =226871a(11) =1577601a(12) =5240465a(13) =13389981a(14) =130707763a(15) =157598052a(16) =617834651a(17) =998713177a(18) =4596574856

External references