1,2
Table of n, a(n) for n=1..7.
a(4) = 2^2*3*5 = 60 because A083785(4, 1) = 19940 = 2^2*5*997, (p^2*q*r) etc.
Cf. A034173, A083785, A034174.
Sequence in context: A132525 A316198 A074167 * A347979 A138286 A355286
Adjacent sequences: A083784 A083785 A083786 * A083788 A083789 A083790
nonn,more
Amarnath Murthy, May 07 2003
a(6)-a(7) from Jinyuan Wang, May 24 2020
approved