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Search: id:A047254
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A047254 Numbers that are congruent to {2, 3, 5} mod 6. +0
1
2, 3, 5, 8, 9, 11, 14, 15, 17, 20, 21, 23, 26, 27, 29, 32, 33, 35, 38, 39, 41, 44, 45, 47, 50, 51, 53, 56, 57, 59, 62, 63, 65, 68, 69, 71, 74, 75, 77, 80, 81, 83, 86, 87, 89, 92, 93, 95, 98, 99, 101, 104, 105, 107, 110 (list; graph; listen)
OFFSET

1,1

FORMULA

For n>0: a(n) = greatest m<=2*(n+1) coprime to a(n-1). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 31 2005

CROSSREFS

Sequence in context: A096974 A027756 A119863 this_sequence A051214 A013634 A133484

Adjacent sequences: A047251 A047252 A047253 this_sequence A047255 A047256 A047257

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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


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