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A058221 Next-to-smallest k such that 2^(2^n) - k is prime. +0
2
2, 5, 15, 17, 17, 83, 173, 357, 629, 179, 2543, 8067, 5619, 29027 (list; graph; listen)
OFFSET

1,1
CROSSREFS

Cf. A058220.

Sequence in context: A081483 A118478 A032841 this_sequence A066883 A104585 A116053

Adjacent sequences: A058218 A058219 A058220 this_sequence A058222 A058223 A058224

KEYWORD

nonn,hard

AUTHOR

Warren Smith (wds(AT)research.nj.nec.com), Nov 30 2000

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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