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Search: id:A060235
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| A060235 |
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Smallest primes whose residue modulo its difference from the next prime is 2n-1. |
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+0
1
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| 3, 7, 23, 199, 139, 467, 293, 1951, 1259, 2179, 3739, 3271, 12011, 45779, 18869, 14107, 62233, 27143, 34981, 44293, 102701, 25471, 91033, 117443, 107377, 445363, 181303, 153001, 399793, 195599, 273367, 531383, 537413, 633667, 302329, 576791
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OFFSET
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0,1
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FORMULA
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Min{p|Mod[p, nextprime(p)-p]=2n-1} a(n) is the least prime with Mod[A000040, A001223]=2n-1.
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EXAMPLE
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The residue Mod[p,d]=5=2.3-1 for primes {23,57,53,83,...} of which the first one is 23, so a(3)=23.
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CROSSREFS
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A000040, A001223.
Sequence in context: A048721 A113824 A121883 this_sequence A090188 A001773 A067604
Adjacent sequences: A060232 A060233 A060234 this_sequence A060236 A060237 A060238
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KEYWORD
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nonn
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AUTHOR
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Labos E. (labos(AT)ana.sote.hu), Mar 21 2001
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