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

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