%I A001167 M5122 N2218
%S A001167 1,21,21000,101,121,1101,1121,21121,101101,101121,121121,1101121,
%T A001167 1121121,21121121,101101121,101121121,121121121,1101121121,1121121121
%N A001167 Smallest natural number requiring n words in English (as spoken in England).
%D A001167 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%D A001167 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 
               (includes this sequence).
%H A001167 Robert G. Wilson v, <a href="a000027.txt">American English names for 
               the numbers from 0 to 11159 without spaces or hyphens </a>.
%e A001167 One, twenty-one, twenty-one thousand, one hundred and one, one hundred 
               and twenty-one, ...
%Y A001167 Sequence in context: A046183 A167063 A115485 this_sequence A100414 A068735 
               A013768
%Y A001167 Adjacent sequences: A001164 A001165 A001166 this_sequence A001168 A001169 
               A001170
%K A001167 nonn,word
%O A001167 1,2
%A A001167 N. J. A. Sloane (njas(AT)research.att.com).
%E A001167 Edited by N. J. A. Sloane (njas(AT)research.att.com), Jul 05 2008