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%I #12 Apr 16 2023 12:33:13
%S 2,0,6,24,10,96,14,240,18,480,22,840,26,1344,30,2016,34,2880,38,3960,
%T 42,5280,46,6864,50,8736,54,10920,58,13440,62,16320,66,19584,70,23256,
%U 74,27360,78,31920,82,36960,86,42504,90,48576,94,55200,98,62400,102
%N First differences of A171733.
%H <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (0,4,0,-6,0,4,0,-1).
%F a(2n) = A016825(n). a(2n+1) = 24*A000292(n).
%F G.f.: 2*( 1-x^2+12*x^3-x^4+x^6 ) / ( (x-1)^4*(1+x)^4 ). - _R. J. Mathar_, Jul 02 2011
%Y Cf. A171733, A000292, A016825.
%K nonn,easy
%O 0,1
%A _Paul Curtz_, Dec 17 2009
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