a(n) = Product_{d|n} lcm(sigma(d), pod(d)) where sigma(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955).

A334809

a(n) = Product_{d|n} lcm(sigma(d), pod(d)) where sigma(k) is the sum of divisors of k (A000203) and pod(k) is the product of divisors of k (A007955).

Terms

    a(0) =1a(1) =6a(2) =12a(3) =336a(4) =30a(5) =2592a(6) =56a(7) =322560a(8) =4212a(9) =162000a(10) =132a(11) =1755758592a(12) =182a(13) =395136a(14) =648000a(15) =10239344640a(16) =306a(17) =68976790272a(18) =380a(20) =9483264a(21) =3449952a(22) =552a(24) =116250a(25) =15502032a(26) =122821920a(27) =485745426432a(28) =870a(30) =992

External references