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

A077145

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

Terms

    a(0) =0a(1) =0a(2) =0a(3) =3a(4) =17a(5) =106a(6) =590a(7) =3090a(8) =21092a(9) =127889a(10) =734604a(11) =6252468a(12) =32854824a(13) =279387963a(14) =1909105118a(15) =12319099520a(16) =95059552565a(17) =740652053314

External references