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A057095 Numbers n such that n^2 +1, n^2 +3, n^2 +7, n^2 +9 and n^2 +13 are simultaneously prime. 0
2, 10, 238850, 315410, 927070, 2525870, 2828270, 3993070, 4794520, 5617160, 6173870, 6859310, 8146100, 8294290, 9267220, 10053410, 10515340, 12720460, 15074770, 16755190, 16788580, 17525470, 21740120, 26657060, 29633510 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

Select[ Range[ 1, 5 10^7], PrimeQ[ #^2 + 1] && PrimeQ[ #^2 + 3] && PrimeQ[ #^2 + 7] && PrimeQ[ #^2 + 9] && PrimeQ[ #^2 + 13] & ]

CROSSREFS

Sequence in context: A079180 A027735 A085698 * A119189 A202952 A201145

Adjacent sequences:  A057092 A057093 A057094 * A057096 A057097 A057098

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 11 2000

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Last modified February 14 18:09 EST 2012. Contains 205663 sequences.