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A032392
Numbers k such that 85*2^k+1 is prime.
0
4, 6, 10, 30, 34, 36, 38, 74, 88, 94, 148, 200, 624, 1300, 2458, 2556, 3638, 3834, 8956, 15058, 15818, 25954, 187576, 382836, 466658, 818760, 876458, 892568, 1072368, 1910520
OFFSET
1,1
PROG
(PARI) is(n)=ispseudoprime(85*2^n+1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A322961 A291542 A242565 * A253048 A271956 A242502
KEYWORD
nonn
EXTENSIONS
More terms (from http://web.archive.org/web/20161028080239/http://www.prothsearch.net/riesel.html), Joerg Arndt, Apr 07 2013
STATUS
approved