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A104635 Odd n such that 2n+1 is prime. +0
2
1, 3, 5, 9, 11, 15, 21, 23, 29, 33, 35, 39, 41, 51, 53, 63, 65, 69, 75, 81, 83, 89, 95, 99, 105, 111, 113, 119, 125, 131, 135, 141, 153, 155, 165, 173, 179, 183, 189, 191, 209, 215, 219, 221, 231, 233, 239, 243, 245, 249, 251, 261 (list; graph; listen)
OFFSET

1,2

COMMENT

Cf. A005097, A104636

CROSSREFS

Sequence in context: A006046 A161830 A151922 this_sequence A024903 A018486 A024414

Adjacent sequences: A104632 A104633 A104634 this_sequence A104636 A104637 A104638

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Mar 18 2005

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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