Numbers n such that the sum of largest prime factors of numbers from 1 to n is divisible by n.

A088825

Numbers n such that the sum of largest prime factors of numbers from 1 to n is divisible by n.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =9a(4) =32a(5) =62a(6) =558a(7) =993a(8) =995a(9) =1947a(10) =2150a(11) =4343a(12) =9944a(13) =10977a(14) =43054658a(15) =202275890a(16) =2291937393a(17) =2459073795a(18) =2836929091a(19) =3737529738a(20) =21382629569a(21) =248208997602a(22) =389691028017a(23) =838566394212

External references