OFFSET
1,1
LINKS
Wikipedia, Riesel number
EXAMPLE
For every k >= 1, 97579567*2^k - 1 has a divisor in the set {3, 5, 7, 13, 17, 241} and also in the set {3, 5, 13, 17, 97, 241, 257}. 97579567 is therefore in the sequence.
CROSSREFS
KEYWORD
nonn
AUTHOR
Arkadiusz Wesolowski, Oct 16 2015
EXTENSIONS
1 term inserted by Arkadiusz Wesolowski, Aug 28 2016
More terms from Arkadiusz Wesolowski, Jan 09 2018
STATUS
approved