OFFSET
0,5
LINKS
Index entries for linear recurrences with constant coefficients, signature (1,1,1,2).
FORMULA
O.g.f: (-1+x+x^2+x^3)/((2*x-1)(1+x)(1+x^2)). a(n)=2^n/15+(-1)^n/3+A112030(n)/5. - R. J. Mathar, Jun 12 2008
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, May 22 2008
EXTENSIONS
More terms from R. J. Mathar, Jun 12 2008
STATUS
approved