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Search: id:A097938
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| A097938 |
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Primes of the form prime(n)^2 - prime(n+1) - 1. |
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+0
1
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| 3, 17, 37, 107, 151, 269, 337, 499, 809, 1327, 1637, 1801, 2749, 4967, 7823, 10501, 12641, 22643, 31859, 32569, 38609, 54049, 57829, 62743, 68899, 72089, 93937, 97651, 121447, 124249, 143257, 146299, 157207, 166861, 176809, 185327, 187049
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OFFSET
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1,1
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EXAMPLE
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a(4)=107 because 11^2 - 13 -1=107.
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PROGRAM
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(PARI) m=85; for(n=1, m, if(isprime(k=prime(n)^2-prime(n+1)-1), print1(k, ", "))) - Klaus Brockhaus, Sep 06 2004
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CROSSREFS
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Sequence in context: A031386 A106895 A106896 this_sequence A073162 A107147 A049078
Adjacent sequences: A097935 A097936 A097937 this_sequence A097939 A097940 A097941
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KEYWORD
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nonn
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AUTHOR
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Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Sep 05 2004
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EXTENSIONS
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More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 06 2004
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