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A049491 Numbers n such that n and n+128 both prime. 1
3, 11, 23, 29, 53, 71, 83, 101, 113, 149, 179, 239, 251, 269, 281, 293, 311, 359, 419, 443, 449, 479, 491, 503, 563, 599, 641, 659, 683, 701, 809, 839, 863, 881, 911, 941, 1103, 1109, 1151, 1163, 1193, 1301, 1319, 1361, 1439, 1451, 1481, 1493, 1499, 1571 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

11 and 11+128=139 both prime

MATHEMATICA

Select[Prime[Range[300]], PrimeQ[#+128]&]  [From Harvey P. Dale, Jan. 16, 2011]

CROSSREFS

Cf. A001359, A023200, A023202.

Sequence in context: A087078 A177789 A141226 * A000355 A163769 A100860

Adjacent sequences:  A049488 A049489 A049490 * A049492 A049493 A049494

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.