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A100819 Composites generated by twin primes. 1
9, 15, 21, 25, 27, 33, 35, 39, 45, 49, 51, 55, 57, 63, 65, 75, 77, 81, 85, 87, 91, 93, 95, 99, 105, 117, 119, 121, 123, 125, 129, 133, 135, 143, 145, 147, 153, 155, 165, 169, 171, 175, 177, 183, 187, 189, 195, 203, 205, 209, 213, 215, 217, 219, 221 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

121 = 13 * 17 (13 is the twin prime of 11 and 17 is the twin prime to 19)

CROSSREFS

Cf. A077800.

Sequence in context: A014076 A067800 A155474 * A046446 A046350 A175076

Adjacent sequences:  A100816 A100817 A100818 * A100820 A100821 A100822

KEYWORD

easy,nonn

AUTHOR

Walter G. Carlini (wgcarlini(AT)charter.net), Jan 06 2005; corrected Jan 22, 2005

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Last modified February 17 21:13 EST 2012. Contains 206085 sequences.