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%I #10 Feb 01 2022 23:34:09
%S 1,3,11,13,17,21,23,73,101,103,111,113,117,121,123,173,323,373,1103,
%T 1111,1113,1117,1121,1123,1173,1323,1373,3323,3373,11373,13323,13373,
%U 17373,21373,23323,23373,73373,101173,101323,101373,103323,103373
%N Number of letters in English name for n increases at these numbers.
%C "and" is used in number names and "-" is counted as a letter (e.g., "twenty-one" has more letters than "seventeen").
%H Sean A. Irvine, <a href="/A001619/a001619.txt">Number names for terms in the sequence</a>
%K word,nonn
%O 1,2
%A _N. J. A. Sloane_
%E Missing terms added by _Sean A. Irvine_, Oct 04 2012