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A144567 Primes of the form: smallest prime factor of n + largest prime factor of n, n > 1. 0
5, 7, 5, 5, 7, 13, 5, 7, 19, 5, 7, 13, 5, 7, 5, 31, 7, 13, 19, 5, 7, 43, 13, 7, 5, 7, 19, 5, 13, 31, 61, 7, 13, 19, 73, 5, 7, 13, 7, 5, 43, 19, 31, 13, 7, 5, 13, 7, 103, 19, 109, 5, 13, 31, 61, 19, 7, 13, 43, 7, 13, 7, 19, 139, 73, 5, 31, 151, 7, 19, 13, 7, 5, 43, 13, 19, 31, 13, 61, 181, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence is a reordering (with duplication) of A006512.

LINKS

Table of n, a(n) for n=1..81.

CROSSREFS

Cf. A002808, A006512, A119689.

Sequence in context: A122271 A011205 A167133 * A215732 A010718 A247872

Adjacent sequences:  A144564 A144565 A144566 * A144568 A144569 A144570

KEYWORD

nonn,easy,less

AUTHOR

Juri-Stepan Gerasimov, Jan 04 2009

EXTENSIONS

Comment, correction, and extension by Charles R Greathouse IV, Mar 29 2010

STATUS

approved

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Last modified November 22 05:36 EST 2017. Contains 295076 sequences.