A164792 a(n) is the smallest number whose English name has the letter "t" in the n-th position, or -1 if no such number exists.

2, -1, -1, 15, 8, 17, 22, 72, 13000, 48, 28, 78, 302, 115, 108, 117, 122, 172, 322, 148, 128, 178, 328, 378, 1115, 1108, 1117, 1122, 1172, 1322, 1148, 1128, 1178, 1328, 1378, 3328, 3378, 11378, 13328, 13378, 17378, 23328, 23378, 73378, 101378, 103328, 103378

Offset

1,1

Links

Table of n, a(n) for n=1..47.

Example

a(1)=2 ("Two"), a(4)=15 ("fifTeen"), a(9)=13000 ("thirteenThousand"), a(13)=302 ("threehundredTwo").

Crossrefs

Cf. A164789 ("o"), A164790 ("e"), A164791 ("n"), A164793 ("i").

Cf. A164794 ("f"), A164795 ("h"), A164796 ("r"), A164797 ("u").

Sequence in context: A054505 A132610 A132625 * A132318 A078089 A095836

Adjacent sequences: A164789 A164790 A164791 * A164793 A164794 A164795

Keyword

word,sign

Author

Claudio Meller, Aug 26 2009

Extensions

a(9) corrected, and a(25) and beyond from Michael S. Branicky, Feb 02 2021

Status

approved