id:A139778 - OEIS Search Results

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Lesser of twin primes p1 such that p1^3+p2^2=pp are average of twin primes. p1 and p2 twin primes, p1 < p2.

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3371, 4091, 5231, 18521, 42179, 45119, 48821, 49121, 71711, 72101, 75539, 83639, 91571, 94151, 94559 (list; graph; listen)

	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: A031646 A031556 A014441 this_sequence A139779 A052357 A164521` `Adjacent sequences: A139775 A139776 A139777 this_sequence A139779 A139780 A139781`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Orlovsky (4vladimir(AT)gmail.com), May 16 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.