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A139778 Lesser of twin primes p1 such that p1^3+p2^2=pp are average of twin primes. p1 and p2 twin primes, p1 < p2. 0
3371, 4091, 5231, 18521, 42179, 45119, 48821, 49121, 71711, 72101, 75539, 83639, 91571, 94151, 94559 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

a={}; Do[p1=Prime[n]; p2=Prime[n+1]; pp=p1^3+p2^2; If[(p2-p1)==2&&PrimeQ[pp-1]&&PrimeQ[pp+1], AppendTo[a, p1]], {n, 10^4}]; Print[a];

CROSSREFS

Sequence in context: A031556 A014441 A204471 * A178506 A139779 A117921

Adjacent sequences:  A139775 A139776 A139777 * A139779 A139780 A139781

KEYWORD

nonn

AUTHOR

Vladimir Orlovsky (4vladimir(AT)gmail.com), May 16 2008

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Last modified February 16 07:39 EST 2012. Contains 205881 sequences.