OFFSET
1,1
LINKS
Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,1).
FORMULA
G.f.: -x*(9+11*x+13*x^2+5*x^3+7*x^4)/((x-1)*(1+x+x^2+x^3+x^4)). - R. J. Mathar, Apr 08 2009
a(n) = 2*n+7-10*floor((n+1)/5). - Aaron J Grech, Aug 30 2024
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Paul Curtz, Mar 22 2009
EXTENSIONS
Edited by R. J. Mathar, Apr 08 2009
STATUS
approved