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%I #11 Dec 07 2016 18:51:51
%S 1,1,2,3,5,7,11,15,21,28,38,49,65,82,105,131,164,201,248,300,364,437,
%T 523,620,736,865,1016,1186,1382,1600,1852,2131,2449,2803,3202,3644,
%U 4142,4690,5303,5979,6730
%N Molien series for A_7.
%D D. J. Benson, Polynomial Invariants of Finite Groups, Cambridge, 1993, p. 105.
%H <a href="/index/Mo#Molien">Index entries for Molien series</a>
%H <a href="/index/Rec#order_25">Index entries for linear recurrences with constant coefficients</a>, signature (1, 1, 1, -1, -2, -1, 0, 1, 1, 1, 0, 1, -1, 0, -1, -1, -1, 0, 1, 2, 1, -1, -1, -1, 1).
%p (1+x^21)/(1-x)/(1-x^2)/(1-x^3)/(1-x^4)/(1-x^5)/(1-x^6)/(1-x^7)
%K nonn,easy
%O 0,3
%A _N. J. A. Sloane_.