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Search: id:A107020
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| A107020 |
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Primes p such that 2p+1, 4p+3, 6p+5 are all primes. |
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5
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| 2, 11, 41, 1901, 2459, 5081, 5849, 6131, 6449, 8969, 9221, 10691, 12119, 13229, 14009, 14321, 14669, 15161
(list; graph; listen)
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OFFSET
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1,1
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CROSSREFS
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Cf. A107024: p,2p+1,4p+3,6p+5,8p+7,10p+9,12p+11,14p+13 all prime; A107023: p,2p+1,4p+3,6p+5,8p+7,10p+9,12p+11 all prime; A107022: p,2p+1,4p+3,6p+5,8p+7,10p+9 all prime; A107020: p,2p+1,4p+3,6p+5,8p+7 all prime; A007700: p,2p+1,4p+3 all prime; A005384: p,2p+1 prime (p = Sophie Germain primes).
Cf. A005384, A007700, A107021, A107022, A107023, A107024.
Adjacent sequences: A107017 A107018 A107019 this_sequence A107021 A107022 A107023
Sequence in context: A024522 A121244 A070778 this_sequence A079808 A089658 A140322
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), May 09 2005
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