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A212317 Numbers m such that both 3*2^m + 5 and 5*2^m + 3 are prime. 0
1, 2, 3, 4, 5, 7, 8, 32 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

No more terms?

LINKS

Table of n, a(n) for n=1..8.

MATHEMATICA

Select[Range[0, 2200], PrimeQ[5*2^#+3] && PrimeQ[3*2^#+5]&]

CROSSREFS

Intersection of A057913 and A058586.

Sequence in context: A030290 A099088 A029447 * A161751 A354126 A245820

Adjacent sequences: A212314 A212315 A212316 * A212318 A212319 A212320

KEYWORD

nonn,more

AUTHOR

Zak Seidov, Oct 24 2013

STATUS

approved

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Last modified February 8 23:03 EST 2023. Contains 360153 sequences. (Running on oeis4.)