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 A168085 a(n) = the smallest number whose Welsh name in the traditional Vigesimal System contains n letters of the alphabet. 1
 1, 2, 3, 7, 4, 12, 11, 13, 21, 16, 14, 27, 24, 19, 31, 33, 73, 36, 34 (list; graph; refs; listen; history; text; internal format)
 OFFSET 2,2 COMMENTS The table below shows the derivation of the sequence: ..n..Smallest.Number..Welsh.Name ..2.........1.........un ..3.........2.........dau.(m)./.dwy.(f) ..4.........3.........tair.(f) ..5.........7.........saith ..6.........4.........pedwar.(m)./.pedair.(f) ..7........12.........deuddeg ..8........11.........un.ar.ddeg ..9........13.........tri.ar.ddeg .10........21.........un.ar.hugain .11........16.........un.ar.bymtheg .12........14.........pedwar.ar.ddeg .13........27.........saith.ar.hugain .14........24.........pedwar.ar.hugain .15........19.........pedwar.ar.bymtheg .16........31.........un.ar.ddeg.ar.hugain .17........33.........tri.ar.ddeg.ar.hugain .18........73.........tri.ar.ddeg.a.thrigain .19........36.........un.ar.bymtheg.ar.hugain .20........34.........pedwar.ar.ddeg.ar.hugain LINKS TAKASUGI Shinji, The Number System of Welsh (Traditional) CROSSREFS Sequence in context: A118810 A026259 A168087 * A287950 A287628 A319863 Adjacent sequences:  A168082 A168083 A168084 * A168086 A168087 A168088 KEYWORD nonn,word AUTHOR Christopher Hunt Gribble, Nov 18 2009 STATUS approved

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Last modified August 11 20:13 EDT 2022. Contains 356067 sequences. (Running on oeis4.)