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A089376
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Primes of the form k^2 - 7*k + 7.
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3
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7, 37, 67, 127, 151, 337, 457, 547, 751, 1051, 1117, 1327, 1801, 2251, 2347, 2647, 2857, 3187, 3301, 4027, 5107, 6637, 6967, 7477, 8737, 9697, 10501, 11551, 13567, 17551, 21751, 23251, 23557, 25117, 28051, 28387, 30097, 31147, 33301, 35527
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OFFSET
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1,1
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REFERENCES
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M. Cerasoli, F. Eugeni and M. Protasi, Elementi di Matematica Discreta, Bologna, 1988.
Emanuele Munarini and Norma Zagaglia Salvi, Matematica Discreta, UTET, CittaStudiEdizioni, Milano, 1997.
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LINKS
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FORMULA
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MAPLE
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MATHEMATICA
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PROG
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(Magma) [a: n in [6..200] | IsPrime(a) where a is n^2 - 7*n + 7]; // Vincenzo Librandi, Dec 12 2011
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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