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A144232
Prime numbers of the form 4^k +- 3.
8
7, 13, 19, 61, 67, 1021, 4093, 4099, 16381, 65539, 262147, 1048573, 4194301, 16777213, 268435459, 1073741827, 19342813113834066795298819, 19807040628566084398385987581, 83076749736557242056487941267521533
OFFSET
1,1
COMMENTS
Subset of A122834.
MATHEMATICA
Select[Flatten[Table[4^n+{3, -3}, {n, 100}]], PrimeQ]//Union (* Harvey P. Dale, Nov 13 2020 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Reikku Kulon, Sep 15 2008
STATUS
approved