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A032368
Numbers k such that 37*2^k+1 is prime.
1
2, 4, 8, 10, 12, 16, 22, 26, 68, 82, 84, 106, 110, 166, 236, 254, 286, 290, 712, 1240, 1706, 1804, 1904, 2240, 2632, 3104, 5870, 8750, 11514, 11972, 14434, 16322, 18044, 19050, 23014, 32424, 59354, 62350, 120196, 157128, 167326, 211056, 218550, 230716, 233968
OFFSET
1,1
PROG
(PARI) is(n)=ispseudoprime(37*2^n+1) \\ Charles R Greathouse IV, Jun 13 2017
CROSSREFS
Sequence in context: A276623 A121519 A098968 * A134533 A089953 A155133
KEYWORD
nonn
EXTENSIONS
More terms from Hugo Pfoertner, Jun 20 2003
Added more terms (from http://web.archive.org/web/20161028080239/http://www.prothsearch.net/riesel.html), Joerg Arndt, Apr 07 2013
Terms moved from Data to b-file, and more terms put in b-file by Jeppe Stig Nielsen, Oct 03 2019
STATUS
approved