a(n) = floor((product of composites among next n numbers)/(product of primes among next n numbers)).

A094337

a(n) = floor((product of composites among next n numbers)/(product of primes among next n numbers)).

Terms

    a(0) =0a(1) =1a(2) =4a(3) =1a(4) =617a(5) =112a(6) =845a(7) =25376a(8) =2985a(9) =314a(10) =1597052a(11) =138874a(12) =1173486218a(13) =63368255819a(14) =4370224539a(15) =281949970

External references