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A101872 Number of abelian groups of order 2n. +0
3
1, 2, 1, 3, 1, 2, 1, 5, 2, 2, 1, 3, 1, 2, 1, 7, 1, 4, 1, 3, 1, 2, 1, 5, 2, 2, 3, 3, 1, 2, 1, 11, 1, 2, 1, 6, 1, 2, 1, 5, 1, 2, 1, 3, 2, 2, 1, 7, 2, 4, 1, 3, 1, 6, 1, 5, 1, 2, 1, 3, 1, 2, 2, 15, 1, 2, 1, 3, 1, 2, 1, 10, 1, 2, 2, 3, 1, 2, 1, 7, 5, 2, 1, 3, 1, 2, 1, 5, 1, 4, 1, 3, 1, 2, 1, 11, 1, 4, 2, 6, 1, 2, 1, 5 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Bisection of A000688.

Sequence in context: A026100 A059127 A105609 this_sequence A069929 A101312 A035942

Adjacent sequences: A101869 A101870 A101871 this_sequence A101873 A101874 A101875

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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