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Search: id:A090684
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A090684 Primes of the form 8n^2 - 1. +0
1
7, 31, 71, 127, 199, 647, 967, 1151, 1567, 2311, 2591, 2887, 3527, 4231, 4999, 5407, 6271, 7687, 8191, 11551, 12799, 16927, 19207, 20807, 23327, 25087, 27847, 31751, 34847, 35911, 39199, 47431, 49927, 51199, 53791, 59167, 63367, 69191, 70687 (list; graph; listen)
OFFSET

1,1

PROGRAM

(PARI) mx2pmp(n, m) = { for(x=1, n, y = 8*x^2-1; if(isprime(y), print1(y", ")) ) }

CROSSREFS

Sequence in context: A031388 A105428 A050547 this_sequence A033199 A003550 A107006

Adjacent sequences: A090681 A090682 A090683 this_sequence A090685 A090686 A090687

KEYWORD

easy,nonn

AUTHOR

Cino Hilliard (hillcino368(AT)gmail.com), Dec 18 2003

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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