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Search: id:A062324
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| A062324 |
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p and p^2+4 are both prime. |
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+0
17
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| 3, 5, 7, 13, 17, 37, 47, 67, 73, 97, 103, 137, 163, 167, 193, 233, 277, 293, 307, 313, 317, 347, 373, 463, 487, 503, 547, 577, 593, 607, 613, 677, 743, 787, 823, 827, 853, 883, 953, 967, 983, 997, 1087, 1117, 1123, 1237, 1367, 1423, 1447, 1523, 1543, 1613
(list; graph; listen)
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OFFSET
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1,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,1000
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MATHEMATICA
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Select[Prime/@Range[300], PrimeQ[ #^2+4]&]
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PROGRAM
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(PARI) { n=0; forprime (p=2, 5*10^5, if (isprime(p^2 + 4), write("b062324.txt", n++, " ", p); if (n==1000, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 04 2009]
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CROSSREFS
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The corresponding primes p^2+4 are in A045637.
Sequence in context: A003424 A073638 A066464 this_sequence A153645 A106878 A079481
Adjacent sequences: A062321 A062322 A062323 this_sequence A062325 A062326 A062327
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KEYWORD
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nonn,easy
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AUTHOR
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Reiner Martin (reinermartin(AT)hotmail.com), Jul 12 2001
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EXTENSIONS
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More terms from Larry Reeves (larryr(AT)acm.org), Jul 20 2001
Edited by Dean Hickerson (dean.hickerson(AT)yahoo.com), Dec 10 2002
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