A154352 a(n)=A132658(n+1)-2*A132658(n).

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

Offset

0,8

Links

Table of n, a(n) for n=0..42.

Crossrefs

Sequence in context: A004462 A195033 A267147 * A291433 A010860 A158772

Adjacent sequences: A154349 A154350 A154351 * A154353 A154354 A154355

Keyword

sign

Author

Paul Curtz, Jan 07 2009

Extensions

Edited and extended by R. J. Mathar, Feb 27 2009

Status

approved