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Table of n, a(n) for n=0..23.
Index entries for linear recurrences with constant coefficients, signature (5,-2,-5,-1).
G.f.: -x*(-1+2*x+x^2) / ( (x^2+4*x-1)*(x^2+x-1) ). - R. J. Mathar, Oct 26 2015
Sequence in context: A012772 A012864 A045890 * A052703 A151170 A151171
Adjacent sequences: A049670 A049671 A049672 * A049674 A049675 A049676