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A136154
Composites one larger than a prime, with exactly five distinct prime factors.
4
2310, 2730, 3990, 4290, 6090, 6270, 7590, 7854, 8610, 8970, 9030, 9240, 9282, 9690, 10010, 10710, 11550, 11970, 12012, 12540, 12810, 13110, 13260, 13398, 13650, 13860, 14322, 14490, 14630, 15330, 15810, 15960, 16302, 16422, 16530, 16830
OFFSET
1,1
FORMULA
Equals A008864 INTERSECT A051270. - R. J. Mathar, Feb 20 2008
EXAMPLE
a(0)=2310 because 2310 follows the prime 2309 and has five factors 2, 3, 5, 7 and 11.
PROG
(PARI) isok(n) = (omega(n)==5) && isprime(n-1); \\ Michel Marcus, Jun 08 2014
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Enoch Haga, Dec 16 2007
EXTENSIONS
Edited by R. J. Mathar, Feb 20 2008
Typo in a(36) corrected by Seth A. Troisi, May 13 2022
STATUS
approved