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Expansion of x^2*(1-x^2)*(1-3*x^2)/(1-x-5*x^2+4*x^3+5*x^4-3*x^5).
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%I #18 May 05 2024 03:35:34

%S 0,0,1,1,2,3,7,12,28,51,117,221,498,964,2138,4212,9219,18401,39850,

%T 80333,172520,350437,747658,1527648,3242589,6655572,14070946,28983184,

%U 61085625,126167668,265275043,549067801,1152293771,2388951139,5006276579,10392343314,21753656201,45202392073,94536770344,196591219072

%N Expansion of x^2*(1-x^2)*(1-3*x^2)/(1-x-5*x^2+4*x^3+5*x^4-3*x^5).

%H R. P. Stanley, <a href="http://www-math.mit.edu/~rstan/papers/multfree.pdf">An Equivalence Relation on the Symmetric Group and Multiplicity-free Flag h-Vectors</a>

%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (1,5,-4,-5,3).

%K nonn,easy

%O 0,5

%A _N. J. A. Sloane_, May 07 2012