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A105234 Central column of a Moebius-binomial triangle. +0
2
1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1 (list; graph; listen)
OFFSET

0,1

COMMENT

Central column of A105586. Partial sums are A105235.

FORMULA

a(n)=binomial(abs(mu(2n)), abs(mu(n)))

CROSSREFS

Adjacent sequences: A105231 A105232 A105233 this_sequence A105235 A105236 A105237

Sequence in context: A118831 A118828 A071034 this_sequence A005713 A085241 A105368

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 14 2005

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Last modified January 8 02:43 EST 2009. Contains 152824 sequences.


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