A038188 - OEIS

A038188

Smallest integer whose name in colloquial American English (no "and"s) uses n different letters.

1, 1, 1, 3, 8, 13, 14, 14, 24, 74, 112, 125, 125, 165, 265, 1265, 2568, 12468, 1002568, 1001002568, 1000001001002568, 1000000001000001001002568, 1001000000001000001001002568

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

COMMENTS

Sequence stops at a(23) since 24,25,26 can't be achieved.

LINKS

Table of n, a(n) for n=1..23.

Michael Keith, Some properties of one, two, three..., Word Ways, 32:3 (1999), pp. 175-177.

EXAMPLE

a(5)=8 because "eight" is smallest number with 5 different letters.

CROSSREFS

Sequence in context: A131213 A320260 A105371 * A310285 A310286 A310287

Adjacent sequences: A038185 A038186 A038187 * A038189 A038190 A038191

KEYWORD

nonn,word,fini,full

AUTHOR

Mike Keith

STATUS

approved