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Search: id:A118625
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| A118625 |
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Primes p such that the nearest integer to p * K is prime, where K is Catalan's constant. |
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+0
1
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| 2, 3, 5, 19, 47, 67, 73, 97, 139, 163, 211, 263, 281, 307, 379, 401, 433, 457, 479, 499, 503, 523, 569, 571, 641, 647, 719, 739, 811, 859, 883, 1187, 1193, 1259, 1289, 1409, 1423, 1427, 1499, 1571, 1619, 1637, 1663, 1787, 1879, 1901, 1907, 1951, 1999, 2089
(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*Catalan]], AppendTo[lst, p]], {n, 10^3}]; lst
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CROSSREFS
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Sequence in context: A072532 A038705 A066754 this_sequence A031133 A028490 A004064
Adjacent sequences: A118622 A118623 A118624 this_sequence A118626 A118627 A118628
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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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