<a href="/index/Rec#order_02">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (0,1).
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<a href="/index/Rec#order_02">Index to sequences with linear recurrences with constant coefficients</a>, signature (0,1).
a(n) = (1-5*(-1)^n)/2 for n>0. - Colin Barker, Jun 09 2015
a(n) = a(n-2) for n>2. - Colin Barker, Jun 09 2015
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B. R. Myers, On spanning trees..., SIAM Rev., 17 (1975), 465-474.
B. R. Myers, <a href="http://dx.doi.org/10.1137/1017045">On Spanning Trees, Weighted Compositions, Fibonacci Numbers, and Resistor Networks</a>, SIAM Rev., 17 (1975), 465-474.
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CoefficientList[Series[x (3-2x)/(1-x^2), {x, 0, 150}], x] (* From _Harvey P. Dale, _, Mar 23 2011 *)
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(PARI) Vec(x*(3-2*x)/(1-x^2)+O(x^99)) \\ Charles R Greathouse IV, Sep 27 2012
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