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%I #5 Jun 20 2013 13:37:54
%S 1,2,3,7,4,11,12,15,16,14,27,24,47,44,127,124,147,144,224
%N a(n) = the smallest number whose Welsh name in the modern Decimal System contains n letters of the alphabet.
%C The table below shows the dervivation of the sequence:
%C ..n..Smallest.Number..Welsh.Name
%C ..2.........1.........un
%C ..3.........2.........dau.(m)./.dwy.(f)
%C ..4.........3.........tair.(f)
%C ..5.........7.........saith
%C ..6.........4.........pedwar.(m)./.pedair.(f)
%C ..7........11.........un.deg.un
%C ..8........12.........un.deg.dau
%C ..9........15.........un.deg.pump
%C .10........16.........un.deg.saith
%C .11........14.........un.deg.pedwar
%C .12........27.........dau.ddeg.saith
%C .13........24.........dau.ddeg.pedwar
%C .14........47.........pedwar.deg.saith
%C .15........44.........pedwar.deg.pedwar
%C .16.......127.........cant.dau.ddeg.saith
%C .17.......124.........cant.dau.ddeg.pedwar
%C .18.......147.........cant.pedwar.deg.saith
%C .19.......144.........cant.pedwar.deg.pedwar
%C .20.......224.........dau.gant.dau.ddeg.pedwar
%H TAKASUGI Shinji, <a href="http://www.sf.airnet.ne.jp/~ts/language/number/traditional_welsh.html">The Number System of Welsh (Modern)</a>
%K nonn,word
%O 2,2
%A _Christopher Hunt Gribble_, Nov 18 2009
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