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A127545
Multiples of 7 such that n +/- 1 are twin primes.
5
42, 420, 462, 882, 1050, 1092, 1302, 1428, 1722, 1932, 2142, 2268, 2310, 2688, 2730, 3360, 3528, 3822, 4158, 4242, 4788, 5418, 5502, 5880, 6090, 6132, 6300, 6552, 6762, 7308, 7350, 7560, 8232, 8820, 8862, 9240, 9282, 10038, 10332, 10458, 10500, 10710
OFFSET
1,1
COMMENTS
Intersection of A008589 and A014574. - Michel Marcus, Oct 11 2013
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
PROG
(PARI) a(n) = !(n %7) && isprime(n+1) && isprime(n-1); \\ Michel Marcus, Oct 11 2013
CROSSREFS
Sequence in context: A224455 A114928 A364943 * A027318 A251425 A242144
KEYWORD
nonn
AUTHOR
Zak Seidov, Apr 01 2007
STATUS
approved