id:A153320 - OEIS Search Results

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Primes p such that p^2+-48 are also primes.

+0
5

5, 17, 19, 59, 61, 191, 227, 521, 641, 683, 709, 857, 863, 919, 983, 1031, 1039, 1097, 1117, 1123, 1151, 1229, 1423, 1543, 1579, 1621, 1699, 1733, 1759, 1867, 1871, 2153, 2237, 2287, 2357, 2383, 2557, 2621, 2879, 2971, 3301, 3329, 3371, 3581, 3847, 4021 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`fQ[n_]:=PrimeQ[n^2-48]&&PrimeQ[n^2+48]; lst={}; Do[If[fQ@Prime[n], AppendTo[lst, Prime[n]]], {n, 7!}]; lst`
	CROSSREFS	`Cf. A153116, A153119, A153120` `Sequence in context: A129745 A038964 A019401 this_sequence A098333 A162862 A043338` `Adjacent sequences: A153317 A153318 A153319 this_sequence A153321 A153322 A153323`
	KEYWORD	`nonn`
	AUTHOR	`Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 23 2008`

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.

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