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A117164
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Column 3 of triangle A117162; equals the Moebius transform of A117163 (column 2 of A117162) preceded by a zero.
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2
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0, 0, 1, -1, -2, -1, -1, 2, -1, 3, -1, 2, 2, 1, -2, 1, 2, 1, -1, 0, 1, 1, -1, -2, 2, -2, -1, 2, 3, 1, -1, -3, -2, -2, 3, -1, 2, 1, -5, 0, 2, -1, 2, 0, 4, -1, -2, -1, -1, -4, -3, 2, 3, 1, 2, -4, 1, -2, 0, 0, -1, 1, -1, 1, 1, 2, 2, 0, 0, -4, 3, -1, -2, -2, -1, 1, 5, 3, 1, -4, -3, -3, -1, -2, -3, -2, -3, 1, 2, -4, 1, 2, 3, 4, 2, 3, 4, 1, 4
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OFFSET
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1,5
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COMMENTS
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The inverse Moebius transform of column 4 of A117162 equals
this sequence preceded by a zero.
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LINKS
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Table of n, a(n) for n=1..99.
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FORMULA
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Equals the Moebius transform of column 2 preceded by a zero:
[0,0,1,-1,-2,-1,-1,2,...] = Moebius([0, 0,1,-1,-2,0,-1,1,...]).
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CROSSREFS
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Cf. A117162, A112682, A008683 (Moebius); A117163 (column 2).
Sequence in context: A080027 A220465 A050305 * A212182 A127586 A055893
Adjacent sequences: A117161 A117162 A117163 * A117165 A117166 A117167
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KEYWORD
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sign
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AUTHOR
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Wouter Meeussen and Paul D. Hanna, Mar 05 2006
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STATUS
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approved
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