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Search: id:A113913
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A113913 Number of factors of 3^(3^x)+1. +0
2
1, 2, 4, 6, 11, 20, 27 (list; graph; listen)
OFFSET

0,2

COMMENT

The term omega(3^(3^6)+1) was obtained with ECM factoring.

PROGRAM

(PARI) for(x=1, 6, print1( omega(3^(3^x)+1), ", "))

CROSSREFS

Sequence in context: A000786 A000694 A018170 this_sequence A002097 A026757 A026385

Adjacent sequences: A113910 A113911 A113912 this_sequence A113914 A113915 A113916

KEYWORD

hard,more,nonn

AUTHOR

Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Jan 29 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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