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A168087
a(n) = the smallest number whose Welsh name in the modern Decimal System contains n letters of the alphabet.
1
1, 2, 3, 7, 4, 11, 12, 15, 16, 14, 27, 24, 47, 44, 127, 124, 147, 144, 224
OFFSET
2,2
COMMENTS
The table below shows the dervivation 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........11.........un.deg.un
..8........12.........un.deg.dau
..9........15.........un.deg.pump
.10........16.........un.deg.saith
.11........14.........un.deg.pedwar
.12........27.........dau.ddeg.saith
.13........24.........dau.ddeg.pedwar
.14........47.........pedwar.deg.saith
.15........44.........pedwar.deg.pedwar
.16.......127.........cant.dau.ddeg.saith
.17.......124.........cant.dau.ddeg.pedwar
.18.......147.........cant.pedwar.deg.saith
.19.......144.........cant.pedwar.deg.pedwar
.20.......224.........dau.gant.dau.ddeg.pedwar
CROSSREFS
Sequence in context: A118810 A357482 A026259 * A168085 A287950 A287628
KEYWORD
nonn,word
AUTHOR
STATUS
approved