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A101789 8n-1 such that 4n-1 and 8n-1 are primes. +0
2
7, 23, 47, 167, 263, 359, 383, 479, 503, 719, 839, 863, 887, 983, 1319, 1367, 1439, 1487, 1823, 2039, 2063, 2207, 2447, 2879, 2903, 2999, 3023, 3119, 3167, 3623, 3863, 4007, 4079, 4127, 4679, 4703, 4799, 4919, 5087, 5399, 5639, 5807, 5879, 5927, 6047 (list; graph; listen)
OFFSET

1,1

EXAMPLE

4*1-1=3 and 8*1-1 = 7 are primes, so the first entry is 7.

CROSSREFS

Cf. A002515.

Sequence in context: A002146 A073577 A139830 this_sequence A062725 A147121 A098334

Adjacent sequences: A101786 A101787 A101788 this_sequence A101790 A101791 A101792

KEYWORD

easy,nonn

AUTHOR

Douglas Stones (dssto1(AT)student.monash.edu.au), Dec 16 2004

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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