OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (7,-7,7,-6).
FORMULA
G.f.: ( x*(2-2*x+3*x^2) ) / ( (x-1)*(6*x-1)*(x^2+1) ). - R. J. Mathar, Oct 14 2015
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved