A060048 a(1) = 1 and for n>1 a(n) = Max { q prime | q# < p(n)# / q# } where p(i) = A000040(i) and p(i)# = A002110(i), primorial.

1, 2, 2, 3, 5, 5, 7, 11, 11, 13, 13, 17, 19, 19, 23, 23, 29, 31, 31, 37, 37, 41, 43, 43, 47, 47, 53, 53, 59, 61, 61, 67, 67, 71, 71, 73, 79, 79, 83, 83, 89, 97, 97, 101, 101, 103, 103, 107, 109, 109, 113, 113, 127, 127, 131, 131, 137, 139, 139, 149, 149, 151, 151, 157