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A077499 Primes of the form 2^r*11^s + 1. 4
2, 3, 5, 17, 23, 89, 257, 353, 1409, 2663, 30977, 65537, 170369, 495617, 5767169, 23068673, 59969537, 82458113, 453519617, 3429742097, 4715895383, 15352201217, 39909726209, 1857616347137, 45732811767809, 96757023244289 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Primes p such that p-1 has at most one odd prime divisor 11.

LINKS

Table of n, a(n) for n=1..26.

CROSSREFS

Cf. A005109, A077497, A077498, A077500.

Sequence in context: A235925 A106859 A055472 * A127061 A215311 A215315

Adjacent sequences:  A077496 A077497 A077498 * A077500 A077501 A077502

KEYWORD

nonn

AUTHOR

Amarnath Murthy, Nov 07 2002

EXTENSIONS

More terms from Ray Chandler, Aug 02 2003

STATUS

approved

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Last modified March 25 10:23 EDT 2019. Contains 321470 sequences. (Running on oeis4.)