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A174955 Lesser of twin primes p1 such that p1*p2+-6 are prime numbers. 2
5, 11, 1061, 2111, 3371, 3851, 5867, 9461, 12251, 21491, 22037, 22481, 24917, 26681, 28277, 32141, 42641, 43607, 48731, 56477, 59417, 59627, 67271, 67757, 70487, 77417, 86531, 87221, 91127, 104147, 113621, 115151, 116687, 119291, 121577 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

5*7=35+-6 -> primes,..

LINKS

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

MATHEMATICA

lst={}; Do[p1=Prime[n]; p2=p1+2; If[PrimeQ[p2]&&PrimeQ[p1*p2+6]&&PrimeQ[p1*p2-6], (*Print[p1]; *)AppendTo[lst, p1]], {n, 8!}]; lst

CROSSREFS

Cf. A001359, A174913, A174915, A174916, A174917, A174920, A174922

Sequence in context: A101832 A046957 A174957 * A224095 A130735 A322153

Adjacent sequences: A174952 A174953 A174954 * A174956 A174957 A174958

KEYWORD

nonn

AUTHOR

Vladimir Joseph Stephan Orlovsky, Apr 02 2010

STATUS

approved

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Last modified February 4 13:38 EST 2023. Contains 360055 sequences. (Running on oeis4.)