Numbers k such that the difference between the largest and the smallest prime divisor of k equals the number of prime divisors of k (counted with multiplicity).

A086770

Numbers k such that the difference between the largest and the smallest prime divisor of k equals the number of prime divisors of k (counted with multiplicity).

Terms

    a(0) =1a(1) =15a(2) =20a(3) =30a(4) =35a(5) =50a(6) =112a(7) =143a(8) =168a(9) =189a(10) =252a(11) =280a(12) =315a(13) =323a(14) =378a(15) =392a(16) =420a(17) =441a(18) =525a(19) =588a(20) =630a(21) =700a(22) =735a(23) =882a(24) =899a(25) =980a(26) =1029a(27) =1050a(28) =1372a(29) =1470

External references