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A154352 a(n)=A132658(n+1)-2*A132658(n). 0
0, 1, 1, 0, -1, -1, 0, -21, -21, 0, 21, 21, 0, -903, -903, 0, 903, 903, 0, -38829, -38829, 0, 38829, 38829, 0, -1669647, -1669647, 0, 1669647, 1669647, 0, -71794821, -71794821, 0, 71794821, 71794821, 0, -3087177303, -3087177303, 0, 3087177303, 3087177303, 0 (list; graph; refs; listen; history; internal format)
OFFSET

0,8

CROSSREFS

Sequence in context: A023463 A004462 A195033 * A010860 A158772 A151910

Adjacent sequences:  A154349 A154350 A154351 * A154353 A154354 A154355

KEYWORD

sign

AUTHOR

Paul Curtz (bpcrtz(AT)free.fr), Jan 07 2009

EXTENSIONS

Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 27 2009

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.