Floor((Product of composite numbers up to n)/(product of primes up to n)).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =8a(9) =82a(10) =7a(11) =89a(12) =6a(13) =96a(14) =1450a(15) =23201a(16) =1364a(17) =24565a(18) =1292a(19) =25858a(20) =543035a(21) =11946780a(22) =519425a(23) =12466205a(24) =311655142a(25) =8103033711a(26) =218781910200a(28) =211237706400a(30) =204423586839