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Table of n, a(n) for n=0..43.
a(n+1)=A077943(n+1)-A077943(n). [From R. J. Mathar, Aug 04 2008]
(PARI) Vec((1-x)/(1-2*x+2*x^2-2*x^3)+O(x^99)) \\ Charles R Greathouse IV, Sep 26 2012
Sequence in context: A188346 A173531 A122788 * A081524 A021413 A082855
Adjacent sequences: A078000 A078001 A078002 * A078004 A078005 A078006
N. J. A. Sloane, Nov 17 2002