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%I #11 Jun 13 2015 00:51:54
%S 1,6,36,208,1200,6912,39808,229248,1320192,7602688,43782144,252131328,
%T 1451966464,8361541632,48152199168,277297463296,1596892446720,
%U 9196137086976,52958442815488,304975517319168,1756284007219200
%N G.f.: 1/(1-6*x+8*x^3).
%D Charles Jordan, Calculus of Finite Differences, Chelsea, 1965, p. 43. See the reference to L. Euler there.
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (6,0,-8).
%F a(n)= 6*a(n-1)-8*a(n-3), a(-2)= 0 =a(-1), a(0)=1, (or a(j)=6^j, j=0, 1, 2).
%Y Cf. A111990 (first convolution), A111991 (second convolution).
%K nonn,easy
%O 0,2
%A _Wolfdieter Lang_, Sep 12 2005
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