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Search: id:A155142
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| 5, 13, 23, 29, 31, 41, 53, 59, 67, 71, 79, 103, 113, 131, 139, 149, 151, 157, 167, 173, 179, 193, 211, 229, 239, 241, 257, 271, 283, 311, 337, 359, 367, 373, 379, 383, 401, 409, 419, 421, 463, 479, 491, 499, 503, 509, 521, 563, 599, 601, 607, 617, 641, 643
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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<<NumberTheory`NumberTheoryFunctions` lst={}; Do[p=Prime[n]; If[SquareFreeQ[p-4]&&SquareFreeQ[p+4], NULL, If[ !SquareFreeQ[p-4]&&!SquareFreeQ[p+4], NULL, AppendTo[lst, p]]], {n, 6!}]; lst
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CROSSREFS
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Cf. A153213, A049282, A155139, A155140, A155141
Sequence in context: A076408 A083800 A006353 this_sequence A155552 A143988 A129806
Adjacent sequences: A155139 A155140 A155141 this_sequence A155143 A155144 A155145
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KEYWORD
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nonn
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Jan 21 2009
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