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A208573
Smallest twin prime > 3*2^n.
1
11, 17, 29, 59, 101, 197, 419, 809, 1607, 3119, 6197, 12377, 24917, 49169, 98321, 196661, 393299, 786551, 1572869, 3145739, 6292007, 12582917, 25166129, 50331707, 100663427, 201327011, 402653411, 805306457, 1610613929, 3221225549
OFFSET
1,1
EXAMPLE
For n=1 the smallest twin prime > 3*2^n is 11.
MATHEMATICA
stp[n_]:=Module[{t=NextPrime[3*2^n]}, While[!PrimeQ[t+2], t=NextPrime[t]]; t]; Array[stp, 30] (* Harvey P. Dale, Sep 12 2015 *)
CROSSREFS
Sequence in context: A153502 A249377 A211486 * A142718 A258866 A189324
KEYWORD
nonn
AUTHOR
Washington Bomfim, Feb 28 2012
STATUS
approved