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A117163 Column 2 of triangle A117162; equals the Moebius transform of A008683 (column 1 of A117162) preceded by a zero. 2
0, 1, -1, -2, 0, -1, 1, 0, 1, -1, 1, 2, 0, -3, 2, 2, 0, -1, 0, 1, 0, -1, 1, 0, 0, -1, 1, 3, 0, -1, -1, -2, 0, 0, 0, 2, 0, -2, 2, 2, 0, 2, -1, 0, -2, -2, 1, -2, -1, 0, 1, 3, 0, -1, -1, 1, 1, 0, 1, -1, 0, -1, 0, 1, 0, 2, -1, 0, 0, 3, -1, -2, 0, -2, 0, 3, -2, 1, -1, -4, -1, -1, 1, -3, 0, 1, 2, 2, 0, 2, -1, 3, 2, -1, 1, 4, 0, 1, -1, 1, 0, -1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

COMMENTS

The inverse Moebius transform of A117164 (column 3 of A117162) equals this sequence preceded by a zero.

LINKS

Table of n, a(n) for n=1..102.

FORMULA

Equals the Moebius transform of column 1 preceded by a zero:

[0,1,-1,-2,0,-1,1,0,...] = Moebius([0, 1,-1,-1,0,-1,1,-1,...]).

CROSSREFS

Cf. A117162, A112682, A008683 (column 1); A117164 (column 3).

Sequence in context: A054845 A317991 A236853 * A096863 A117210 A060277

Adjacent sequences:  A117160 A117161 A117162 * A117164 A117165 A117166

KEYWORD

sign

AUTHOR

Wouter Meeussen and Paul D. Hanna, Mar 05 2006

STATUS

approved

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Last modified July 17 03:07 EDT 2019. Contains 325092 sequences. (Running on oeis4.)