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A226766 Least number k such that 4^(2^i) + k  is prime for i = 0,1,..,n-1. 0
1, 1, 1, 1, 15, 93, 53097, 3014907, 2295032545, 46868723367 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

COMMENTS

a(7) = 53097 < A129613(7) (base-2 version).

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A129613, A225560, A226281, A226707

Sequence in context: A108684 A125325 A126483 * A114240 A189657 A190274

Adjacent sequences:  A226763 A226764 A226765 * A226767 A226768 A226769

KEYWORD

nonn,more

AUTHOR

Robin Garcia, Jun 17 2013

EXTENSIONS

a(10) from Giovanni Resta, Jun 17 2013

STATUS

approved

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Last modified September 21 19:56 EDT 2019. Contains 327280 sequences. (Running on oeis4.)