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%I #4 Mar 31 2012 14:11:24
%S 0,0,0,5,4,9,5,1,1,0,55,55,1,5,1,9,5,1,1,0,0,0,0,5,4,9,5,1,1,1,1,1,1,4
%N Delete all letters except c,d,i,l,m,u,v,x from n then read as Roman numeral if possible, otherwise 0.
%C U counts as a V.
%Y See A002904 for another version.
%K nonn,word
%O 1,4
%A _N. J. A. Sloane_, following a suggestion of _Ray G. Opao_, Feb 10 2004
%E Ambiguous or ill-defined beyond the last term shown.
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