A161966 Primes in A161849 in order of appearance.

2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 3, 3, 2, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 7, 2, 2, 3, 5, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 5, 2, 2, 3, 3, 2, 2, 5, 2, 2, 3, 2, 2, 11, 2, 2, 2, 2, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 2, 2, 2, 2, 5, 3, 2, 2, 2, 2, 2, 2, 2, 7, 2, 2, 3

Offset: 1

Author

Juri-Stepan Gerasimov, Jun 23 2009

Keywords

• nonn

Comments

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.

Examples

			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.
		

Crossrefs

Cf. A002808, A052369, A056608.

Extensions

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