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A117243 Chen numbers which are also twin primes. +0
1
3, 5, 7, 11, 13, 17, 19, 29, 31, 107, 109, 137, 139, 179, 181, 197, 199 (list; graph; listen)
OFFSET

0,1

EXAMPLE

(3, 5) are twin numbers and also Chen numbers.

CROSSREFS

Cf. A001097, A109611.

Sequence in context: A132143 A045393 A001097 this_sequence A059362 A059264 A038604

Adjacent sequences: A117240 A117241 A117242 this_sequence A117244 A117245 A117246

KEYWORD

nonn

AUTHOR

Jani Melik (jani_melik(AT)hotmail.com), Apr 22 2006

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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