Composite squarefree numbers n such that p-d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

A228301

Composite squarefree numbers n such that p-d(n) divides n+d(n), where p are the prime factors of n and d(n) the number of divisors of n.

Terms

    a(0) =6a(1) =10a(2) =14a(3) =15a(4) =35a(5) =70a(6) =154a(7) =190a(8) =322a(9) =385a(10) =442a(11) =595a(12) =682a(13) =2737a(14) =3619a(15) =14986a(16) =15314a(17) =19019a(18) =24817a(19) =26767a(20) =33626a(21) =78387a(22) =85034a(23) =130169a(24) =155363a(25) =166934a(26) =189727a(27) =214107a(28) =225029a(29) =238901

External references