a(n) = Product_{k=1..n} A005117(k), the product of the first n squarefree positive integers.
A111059
a(n) = Product_{k=1..n} A005117(k), the product of the first n squarefree positive integers.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =30a(4) =180a(5) =1260a(6) =12600a(7) =138600a(8) =1801800a(9) =25225200a(10) =378378000a(11) =6432426000a(12) =122216094000
External references
- oeis: A111059