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A263562 Primes p such that for every k >= 1, p*2^k - 1 has a divisor in the set {3, 5, 13, 17, 97, 241, 257}. 2
1865978047, 1889699677, 2362339121, 3637126963, 11776639499, 19321614419, 20000692169, 20111311169, 20592473107, 20597584901, 21477425107, 23368396573, 23479945327, 25326720611, 26161244323, 27190405961, 27380064223, 27474950743, 31467088979 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
What is the smallest term of this sequence that belongs to A180247? Is it the smallest prime Brier number?
LINKS
Chris Caldwell, The Prime Glossary, Riesel number
Carlos Rivera, Problem 52
CROSSREFS
Subsequence of A263561.
Sequence in context: A325900 A251282 A015429 * A204813 A103752 A105383
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified March 19 04:58 EDT 2024. Contains 370952 sequences. (Running on oeis4.)