Numbers k such that k | sigma_3(k) - phi(k)^3.

Terms

a(0) =1a(1) =2a(2) =10a(3) =12a(4) =78a(5) =198a(6) =1278a(7) =1470a(8) =1491a(9) =2376a(10) =2472a(11) =6768a(12) =7659a(13) =7774a(14) =9858a(15) =10912a(16) =11904a(17) =12862a(18) =16660a(19) =25758a(20) =35586a(21) =38976a(22) =39102a(23) =40986a(24) =41144a(25) =44688a(26) =59520a(27) =72961a(28) =80304a(29) =84084