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A114006 Row sums of number triangle A114004. 3
1, -1, -1, 1, -1, 3, -1, -1, 1, 3, -1, -5, -1, 3, 3, 1, -1, -5, -1, -5, 3, 3, -1, 7, 1, 3, -1, -5, -1, -13, -1, -1, 3, 3, 3, 13, -1, 3, 3, 7, -1, -13, -1, -5, -5, 3, -1, -9, 1, -5, 3 (list; graph; refs; listen; history; internal format)
OFFSET

1,6

COMMENTS

A signed version of A050328.

FORMULA

a(n)=(Sum_{d divides n, d<n} A010052(n/d)*a(d))*(-1)^(A065043(n)-1); a(n)=(Sum_{d divides n, d<n} A010052(n/d)*a(d))*(-1)^(if(bigomega(n)%2==1, 1, 0)).

CROSSREFS

Sequence in context: A183093 A183096 A029356 * A050328 A191278 A030401

Adjacent sequences:  A114003 A114004 A114005 * A114007 A114008 A114009

KEYWORD

easy,sign

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Nov 12 2005

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Last modified February 15 19:07 EST 2012. Contains 205852 sequences.