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%I #7 Jul 01 2023 12:10:56
%S 2,5,140,105,2310,15015,120120,85085,9699690,4849845,446185740,
%T 557732175,3346393050,48522699225,24067258815600,1504203675975,
%U 3008407351950,55655536011075,222622144044300,2281876976454075
%N Denominator of partial sums of a series for 3*(Pi-3).
%C Numerators are given in A130411.
%F a(n) = denominator(r(n)) with the rationals r(n) defined in A130411.
%Y Cf. A130411.
%K nonn,frac,easy
%O 1,1
%A _Wolfdieter Lang_, Jun 01 2007, Sep 09 2008
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