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A110027
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Smallest primes starting a complete four iterations Cunningham chain of the first or second kind.
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3
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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; internal format)
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OFFSET
| 1,1
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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.
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LINKS
| Chris Caldwell's Prime Glossary, Cunningham chains.
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FORMULA
| Union of A059764 and A110022 . [R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 08 2009]
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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
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KEYWORD
| easy,nonn
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AUTHOR
| Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Sep 03 2005
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EXTENSIONS
| Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), May 08 2009
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