1,1

A052369(k) mod A056608(k) where prime.

The remainder of the division of the largest by the smallest prime divisor of the k-th composite, discarding all nonprime results, as k increases.

Table of n, a(n) for n=1..105.

The first seven entries of A161849 are not prime, and a(1)=A161849(8)=2 is the first one selected.

The entries A161849(9..20) are not prime, and a(2)=A161849(21) is the next one selected.

Cf. A002808, A052369, A056608.

Sequence in context: A262954 A262813 A188794 * A187188 A183027 A078178

Adjacent sequences: A161963 A161964 A161965 * A161967 A161968 A161969

nonn

Juri-Stepan Gerasimov, Jun 23 2009

Edited and extended by R. J. Mathar, Aug 02 2009

approved