A083787 Sequence contains the prime signature pertaining to the n-th row of A083785.
1, 2, 6, 60, 60, 60, 420
Offset: 1
Examples
a(4) = 2^2*3*5 = 60 because A083785(4, 1) = 19940 = 2^2*5*997, (p^2*q*r) etc.
Formula
Extensions
a(6)-a(7) from Jinyuan Wang, May 24 2020