OFFSET
0,1
COMMENTS
FORMULA
a(n) = 4*A092808(n-2), n>1.
a(n+1) - 2a(n) = (-1)^n*A140504(n).
O.g.f.: (2+x-5x^2)/[(1+x)(1-2x)(1+2x)]. - R. J. Mathar, Jul 08 2008
CROSSREFS
KEYWORD
sign,less
AUTHOR
Paul Curtz, Jun 30 2008
EXTENSIONS
Edited by R. J. Mathar, Jul 08 2008
STATUS
approved