Product of first n odd nonprimes, a(n) = Product_{k=1..n} A071904(k).

A306848

Product of first n odd nonprimes, a(n) = Product_{k=1..n} A071904(k).

Terms

    a(0) =1a(1) =9a(2) =135a(3) =2835a(4) =70875a(5) =1913625a(6) =63149625a(7) =2210236875a(8) =86199238125

External references