

A175606


Primes p of the form 4*k+3 such that p+2 is prime and p1 is squarefull.


0



1151, 1451, 1667, 3251, 3851, 4019, 5651, 6359, 6551, 6959, 7547, 11351, 11831, 12251, 13691, 15731, 15887, 16451, 17987, 18131, 18251, 19751, 20231, 22091, 26951, 27539, 28751, 30851, 31151, 32831, 35051, 37571, 38651, 38711, 40151
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OFFSET

1,1


COMMENTS

Subsequence of A071698 Lesser members of twin prime pairs of form (4*k+3,4*k+5): a(1..5)=A071698(20,23,27,42,51). Cf. A089188 Lower member p of a pair of twin primes such that p1 is squarefree.


LINKS

Table of n, a(n) for n=1..35.


MATHEMATICA

Select[Range[3, 99299, 4], !SquareFreeQ[ #1]&&PrimeQ[ # ]&&PrimeQ[ #+2]&]


CROSSREFS

Cf. A071698, A089188.
Sequence in context: A054999 A086259 A345472 * A179036 A179037 A098976
Adjacent sequences: A175603 A175604 A175605 * A175607 A175608 A175609


KEYWORD

nonn


AUTHOR

Zak Seidov, Jul 22 2010


STATUS

approved



