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A101871 Number of abelian groups of order 2n+1. +0
3
1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 5, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 1, 3, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 2, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1 (list; graph; listen)
OFFSET

0,5

CROSSREFS

Bisection of A000688.

Sequence in context: A030615 A147753 A116531 this_sequence A101875 A081387 A059895

Adjacent sequences: A101868 A101869 A101870 this_sequence A101872 A101873 A101874

KEYWORD

nonn,easy

AUTHOR

njas, Jan 28 2005

EXTENSIONS

More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), May 10 2006

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.


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