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Search: id:A064371
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| A064371 |
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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, 5, 12, 86, 105, 176, 214, 230, 241, 412, 503, 696, 1065, 1147, 1170, 1273, 1334, 2021, 2455, 2600, 2660, 2772, 3299, 3332, 3365, 4417, 4861, 6478, 6572, 8115, 8858, 8905, 9229, 9380, 9590, 9692, 9749, 10501, 10829, 11338, 11633, 11690, 12099
(list; graph; listen)
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OFFSET
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1,2
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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("b064371.txt", n++, " ", m); if (n==300, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 14 2009]
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CROSSREFS
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Cf. A014688.
Sequence in context: A156236 A128323 A074245 this_sequence A009414 A009426 A009731
Adjacent sequences: A064368 A064369 A064370 this_sequence A064372 A064373 A064374
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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 (hjsmithh(AT)sbcglobal.net), Sep 14 2009
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