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%I #3 Mar 30 2012 18:56:03
%S 1,1,5,7,71,41,467,299,913,633,885,645,9615,7305,47613,480369,1841507,
%T 1455407,1815767,2955859,3611059,50577203,61079123,50868923,
%U 1150293137,971221937,1145816357,979535957,1138258157,983063117,26102340091
%N (1/4 - 1/6 + ... + d/c(n))*LCM{4, 6, ..., c(n)}, where d = (-1)^(n-1), c(n) = n-th composite number.
%K nonn
%O 1,3
%A _Clark Kimberling_
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