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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
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]
KEYWORD
easy,nonn
AUTHOR
Alexandre Wajnberg, Sep 03 2005
EXTENSIONS
Edited and extended by R. J. Mathar, May 08 2009
STATUS
approved