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Search: id:A085872
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A085872 a(1) = 2, a(2n) = smallest prime of the form k*a(2n-1) -1, k >1, a(2n+1) = smallest prime of the form r*a(2n)+1, r >1. +0
2
2, 3, 7, 13, 53, 211, 2111, 8443, 33773, 202637, 1621097, 16210969, 453907133, 8170328393, 196087881433, 1176527288597, 7059163731583, 254129894336987, 6099117464087689, 158577054066279913, 8246006811446555477 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A085871.

Sequence in context: A046062 A096263 A007996 this_sequence A075059 A070858 A061067

Adjacent sequences: A085869 A085870 A085871 this_sequence A085873 A085874 A085875

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 07 2003

EXTENSIONS

More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 08 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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