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Search: id:A064370
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| A064370 |
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Zero, together with positive numbers n such that the n-th prime - n is a square. |
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+0
5
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| 0, 1, 2, 12, 100, 118, 152, 190, 212, 258, 352, 462, 690, 741, 1285, 1396, 1417, 2119, 2318, 2603, 3370, 3777, 4073, 4155, 4485, 4522, 4600, 4719, 5317, 5446, 6697, 6748, 6985, 7144, 7595, 9492, 9551, 12010, 12985, 13438, 13850, 14672, 14739, 16510
(list; graph; listen)
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OFFSET
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1,3
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,300
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PROGRAM
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(PARI) j=[]; for(n=0, 20000, if(n==0 || issquare(prime(n)-n), j=concat(j, n))); j
(PARI) { n=0; default(primelimit, 20000000); for (m=0, 10^9, if (m==0 || issquare(prime(m) - m), write("b064370.txt", n++, " ", m); if (n==300, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 13 2009]
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CROSSREFS
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Sequence in context: A012548 A012550 A009816 this_sequence A138421 A000888 A151392
Adjacent sequences: A064367 A064368 A064369 this_sequence A064371 A064372 A064373
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KEYWORD
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easy,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Sep 26 2001
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EXTENSIONS
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Edited by Harry J. Smith and N. J. A. Sloane, Sep 13 2009
Corrected my PARI program for offset=1 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 13 2009
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