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A153374 Smaller of two consecutive prime numbers such that p0+p1=average of twin prime pairs and p0*p1+7=average of twin prime pairs. 16
5, 13, 1039, 2753, 3343, 22381, 45979, 88223, 92317, 135221, 154153, 233323, 287149, 344221, 365293, 392723, 479629, 549739, 574363, 650581, 659423, 666079, 749803, 786949, 869059, 959723, 1023521, 1045027, 1161841, 1180423, 1193021 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

5+7=12+-1=primes, 5*7+7=42+-1=primes; 13+17=30+-1=primes, 13*17+7=228+-1=primes;...

MATHEMATICA

lst={}; Do[p0=Prime[n]; p1=Prime[n+1]; a=p0+p1; b=p0*p1+7; If[PrimeQ[a-1]&&PrimeQ[a+1]&&PrimeQ[b-1]&&PrimeQ[b+1], AppendTo[lst, p0]], {n, 9!}]; lst

CROSSREFS

Cf. A099349

Sequence in context: A157250 A155185 A009157 * A012032 A121228 A201260

Adjacent sequences:  A153371 A153372 A153373 * A153375 A153376 A153377

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 24 2008

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Last modified February 14 15:32 EST 2012. Contains 205635 sequences.