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Search: id:A117763
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| A117763 |
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Primes p such that the nearest integer to p * phi is a prime, where phi is the golden ratio. |
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+0
1
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| 2, 3, 7, 19, 23, 29, 97, 101, 103, 107, 149, 181, 227, 311, 353, 379, 433, 457, 563, 631, 719, 761, 883, 919, 941, 971, 997, 1049, 1087, 1223, 1279, 1291, 1297, 1321, 1427, 1447, 1453, 1531, 1627, 1699, 1831, 1861, 1877, 2039, 2143, 2207, 2213, 2239, 2269
(list; graph; listen)
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OFFSET
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1,1
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MATHEMATICA
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lst={}; Do[p=Prime[n]; If[PrimeQ[Round[p*GoldenRatio]], AppendTo[lst, p]], {n, 10^3}]; lst
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CROSSREFS
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Sequence in context: A160181 A143874 A073641 this_sequence A165571 A138111 A078373
Adjacent sequences: A117760 A117761 A117762 this_sequence A117764 A117765 A117766
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KEYWORD
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nonn,easy,new
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AUTHOR
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Vladimir Orlovsky (4vladimir(AT)gmail.com), Aug 25 2008
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EXTENSIONS
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Edited by Charles R Greathouse IV (charles.greathouse(AT)case.edu), Nov 11 2009
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