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 A251597 Numbers b such that b^65536 + 1 is prime. 23
 1, 48594, 108368, 141146, 189590, 255694, 291726, 292550, 357868, 440846, 544118, 549868, 671600, 843832, 857678, 1024390, 1057476, 1087540, 1266062, 1361846, 1374038, 1478036, 1483076, 1540550, 1828502, 1874512, 1927034, 1966374, 2019300, 2041898, 2056292 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Base values b yielding a generalized Fermat prime b^(2^k) + 1 for k=16. First square member of sequence is 3934049284 = (A253854(1))^2. - Jeppe Stig Nielsen, Jun 29 2015 LINKS Jeppe Stig Nielsen, Table of n, a(n) for n = 1..425 (a(2)-a(70) from Felix Fröhlich) C. K. Caldwell, The Prime Database, Search Output. Y. Gallot, Generalized Fermat Prime Search Merfighters, Table of known GF primes b^n+1 where n(exponent) is at least 8192, Mersenne Wiki J. S. S. Nielsen, Generalized Fermat Primes sorted by base (see table at the bottom of the page) PrimeGrid, GFN Status by n-Range, Message 89145 CROSSREFS Cf. A056993, A005574, A000068, A006314, A006313, A006315, A006316, A056994, A056995, A057465, A057002, A088361, A088362, A226528, A226529, A226530, A253854, A244150, A243959, A321323. Sequence in context: A278020 A237105 A234230 * A228676 A268852 A024753 Adjacent sequences:  A251594 A251595 A251596 * A251598 A251599 A251600 KEYWORD nonn AUTHOR Felix Fröhlich, Dec 05 2014 EXTENSIONS Corrected last term, and extended, by Jeppe Stig Nielsen, Jun 29 2015 New b-file, updated with data from Message 89145 at PrimeGrid forum uploaded and sequence data corrected, by Felix Fröhlich, Jan 03 2016 a(1) = 1 inserted and new b-file by Jeppe Stig Nielsen, Sep 10 2018 STATUS approved

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Last modified January 21 23:23 EST 2019. Contains 319350 sequences. (Running on oeis4.)