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 A110027 Smallest primes starting a complete four iterations Cunningham chain of the first or second kind. 3
 2, 1531, 6841, 15391, 44371, 53639, 53849, 57991, 61409, 66749, 83431, 105871, 143609, 145021, 150151, 167729, 186149, 199621, 206369, 209431, 212851, 231241, 242551, 268049, 291271, 296099, 319681, 340919, 346141, 377491, 381631, 422069 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS The word "complete" indicates each chain is exactly 5 primes long (i.e., the chain cannot be a subchain of another one). Terms computed by Gilles Sadowski. LINKS Chris Caldwell's Prime Glossary, Cunningham chains. FORMULA Union of A059764 and A110022 . [R. J. Mathar, May 08 2009] CROSSREFS Cf. A023272, A023302, A023330, A005384, A005385, A059452, A059455, A007700, Cf. A059759, A059760, A059761, A059762, A059763, A059764, A059765, A038397, A104349, A091314, A069362, A016093, A014937, A057326. Sequence in context: A172234 A023291 A058423 * A179866 A201242 A062585 Adjacent sequences:  A110024 A110025 A110026 * A110028 A110029 A110030 KEYWORD easy,nonn AUTHOR Alexandre Wajnberg, Sep 03 2005 EXTENSIONS Edited and extended by R. J. Mathar, May 08 2009 STATUS approved

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