Numbers k such that the ratio of A117731(k) and A082687(k) is composite.

A126563

Numbers k such that the ratio of A117731(k) and A082687(k) is composite.

Terms

    a(0) =119a(1) =735a(2) =5145a(3) =36015a(4) =252105a(5) =1764735a(6) =12353145

External references