a(n) = product[k=1..n] P(k), where P(k) is the largest prime <= 3*k. a(n) = product[k=1..n] A118749(k).

A118750

a(n) = product[k=1..n] P(k), where P(k) is the largest prime <= 3*k. a(n) = product[k=1..n] A118749(k).

Terms

    a(0) =3a(1) =15a(2) =105a(3) =1155a(4) =15015a(5) =255255a(6) =4849845a(7) =111546435a(8) =2565568005a(9) =74401472145

External references