OFFSET
7,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (3,-3,1,1,-3,3,-1).
FORMULA
G.f.: x^7*( 52-72*x+27*x^2+x^3+74*x^5-28*x^6-52*x^4 ) / ( (1+x)*(x^2+1)*(x-1)^4 ). - R. J. Mathar, Jun 23 2013
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
STATUS
approved