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Table of n, a(n) for n=0..19.
O.g.f.: -(1-11*x+13*x^2)/(-1+x)^2/(-1+10*x) = -1/27/(-1+10*x)-(1/3)/(-1+x)^2-35/27/(-1+x). a(n+1) = 10*a(n)+3*(n-3). - R. J. Mathar, Nov 30 2007
Sequence in context: A221059 A197966 A199690 * A123762 A220914 A070768
Adjacent sequences: A133459 A133460 A133461 * A133463 A133464 A133465
Paul Curtz, Nov 28 2007
More terms from R. J. Mathar, Nov 30 2007