A154352 - OEIS

%I #4 Mar 30 2012 18:51:59

%S 0,1,1,0,-1,-1,0,-21,-21,0,21,21,0,-903,-903,0,903,903,0,-38829,

%T -38829,0,38829,38829,0,-1669647,-1669647,0,1669647,1669647,0,

%U -71794821,-71794821,0,71794821,71794821,0,-3087177303,-3087177303,0,3087177303,3087177303,0

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

%K sign

%O 0,8

%A _Paul Curtz_, Jan 07 2009

%E Edited and extended by _R. J. Mathar_, Feb 27 2009