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A212348 Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(-,0,2,0)(x). 0

%I #26 Oct 20 2014 17:15:16

%S 2,9,34,115,376,1219,3980,13174,44310,151401,524796,1842099,6536322,

%T 23408595,84502188,307143018,1123073412,4128140061,15244685730,

%U 56530488699,210408873234,785790337296,2943588032022,11057564567625,41644080691598,157206310465485

%N Sequence of coefficients of x in marked mesh pattern generating function Q_{n,132}^(-,0,2,0)(x).

%H S. Kitaev, J. Remmel and M. Tiefenbruck, <a href="http://arxiv.org/abs/1201.6243">Marked mesh patterns in 132-avoiding permutations I</a>, arXiv preprint arXiv:1201.6243, 2012

%t CCC[t]=(1-(1-4*t)^(1/2))/(2*t); NQ2[t, x]=1/(1 - t*x*CCC[t] - t(1 - x)*(1 + t)); CoefficientList[Coefficient[Simplify[Series[NQ2[t, x], {t, 0, 35}]], x], t] (* _Robert Price_, Jun 05 2012 *)

%K nonn

%O 3,1

%A _N. J. A. Sloane_, May 09 2012

%E a(10)-a(35) from _Robert Price_, Jun 05 2012

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Last modified April 24 06:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)