reviewed
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reviewed
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proposed
reviewed
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proposed
(Maxima) makelist(coeff(taylor(x^4*(2-7*x+6*x^2+x^3-x^4)/((1-x)*(1-2*x)^4*(1-3*x+x^2)), x, 0, n), x, n), n, 0, 29); [_/* _Bruno Berselli_, Nov 29 2012] */
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M. H. Albert, M. D. Atkinson and Robert Brignall, <a href="http://arxiv.org/abs/1206.3183">The enumeration of three pattern classes</a>, arXiv:1206.3183 [math.CO] (2012), p. 25.
<a href="/index/Rec#order_07">Index entries for linear recurrences with constant coefficients</a>, signature (12,-60,161,-248,216,-96,16).
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(MAGMAMagma) I:=[0, 0, 0, 0, 2, 17, 90, 383, 1436, 4958]; [n le 10 select I[n] else 12*Self(n-1) - 60*Self(n-2) + 161*Self(n-3) - 248*Self(n-4) + 216*Self(n-5) - 96*Self(n-6) + 16*Self(n-7): n in [1..30]]; // Vincenzo Librandi, Dec 14 2012
<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (12,-60,161,-248,216,-96,16).
<a href="/index/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (12,-60,161,-248,216,-96,16).
proposed
approved