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A123990 Numbers n for which 16n+1, 16n+3, 16n+7, 16n+13 and 16n+15 are primes. +0
1
1, 7771, 18166, 21691, 26146, 26356, 46801, 69046, 75916, 91516, 111406, 122716, 156196, 171436, 175726, 177316, 201571, 219316, 222706, 259951, 282826, 355531, 426796, 433621, 435301, 438976, 440056, 524371, 560461, 585166, 605506, 608026 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

Select[Range[10^6], And @@ PrimeQ /@ ({1, 3, 7, 13, 15} + 16#) &] (*Chandler*)

CROSSREFS

Cf. A092022.

Sequence in context: A116335 A115440 A028538 this_sequence A064782 A016865 A016913

Adjacent sequences: A123987 A123988 A123989 this_sequence A123991 A123992 A123993

KEYWORD

nonn

AUTHOR

Artur Jasinski (grafix(AT)csl.pl), Oct 30 2006

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Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


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