%I A006944 M3744
%S A006944 5,6,5,6,5,5,7,6,5,5,8,7,10,10,9,9,11,10,10,9,11,12,11,12,11,11,13,12,
%T A006944 11,9,11,12,11,12,11,11,13,12,11,8,10,11,10,11,10,10,12,11,10,8,10,11,
%U A006944 10,11,10,10,12,11,10,8,10,11,10,11,10,10,12,11,10,10,12,13,12,13,12,12
%N A006944 Number of letters in ordinal numbers (in English).
%D A006944 Netnews group rec.puzzles, Frequently Asked Questions (FAQ) file (Science 
               Section).
%D A006944 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A006944 Jon Schoenfield, <a href="b006944.txt">Table of n, a(n) for n=1..1000</
               a>
%H A006944 <a href="Sindx_Lc.html#letters">Index entries for sequences related to 
               number of letters in n</a>
%e A006944 "First" has 5 letters, so a(1)=5.
%Y A006944 Cf. A005589.
%Y A006944 Sequence in context: A087496 A106704 A127205 this_sequence A010717 A046603 
               A139396
%Y A006944 Adjacent sequences: A006941 A006942 A006943 this_sequence A006945 A006946 
               A006947
%K A006944 nonn,word,nice,easy
%O A006944 1,1
%A A006944 N. J. A. Sloane (njas(AT)research.att.com).
%E A006944 More terms from Jon E. Schoenfield (jonscho(AT)hiwaay.net), Aug 13 2007