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%I #5 Dec 22 2011 15:04:16
%S 1,0,1,6,21,120,1077,8918,83097,952560,11790649,156839430,2318954253,
%T 37207496040,637980683277,11745733936022,231142374081009,
%U 4825295491430880,106636356923768497,2489165244414184326
%N sec(exp(x)-cos(x))=1+1/2!*x^2+6/3!*x^3+21/4!*x^4+120/5!*x^5...
%K nonn
%O 0,4
%A Patrick Demichel (patrick.demichel(AT)hp.com)
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