OFFSET
0,3
LINKS
Harvey P. Dale, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (2, 1, 0, -4).
FORMULA
O.g.f.: (1+x)*x/(2*x^3+x^2-1)-1/(2*x-1) . a(n) = -|A078028(n-1)| + 2^n . - R. J. Mathar, Feb 01 2008
MATHEMATICA
LinearRecurrence[{2, 1, 0, -4}, {1, 1, 3, 7}, 40] (* Harvey P. Dale, Jan 16 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, Jan 30 2008
EXTENSIONS
More terms from Harvey P. Dale, Jan 16 2013
STATUS
approved