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Search: id:A065383
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| A065383 |
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Smallest prime >= n*(n + 1)/2. |
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+0
3
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| 2, 2, 3, 7, 11, 17, 23, 29, 37, 47, 59, 67, 79, 97, 107, 127, 137, 157, 173, 191, 211, 233, 257, 277, 307, 331, 353, 379, 409, 439, 467, 499, 541, 563, 599, 631, 673, 709, 743, 787, 821, 863, 907, 947, 991, 1039, 1087, 1129, 1181, 1229, 1277, 1327, 1381, 1433
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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PROGRAM
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(PARI) { for (n=0, 1000, write("b065383.txt", n, " ", nextprime(n*(n + 1)/2)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Oct 17 2009]
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CROSSREFS
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See A097050 for another version.
Cf. A065382, A007491, A064384, A000217.
Sequence in context: A160433 A043550 A036060 this_sequence A087384 A127165 A100683
Adjacent sequences: A065380 A065381 A065382 this_sequence A065384 A065385 A065386
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 05 2001
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EXTENSIONS
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Edited by N. J. A. Sloane (njas(AT)research.att.com), Nov 21 2008
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