login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A001619 Number of letters in English name for n increases at these numbers. 2

%I #10 Feb 01 2022 23:34:09

%S 1,3,11,13,17,21,23,73,101,103,111,113,117,121,123,173,323,373,1103,

%T 1111,1113,1117,1121,1123,1173,1323,1373,3323,3373,11373,13323,13373,

%U 17373,21373,23323,23373,73373,101173,101323,101373,103323,103373

%N Number of letters in English name for n increases at these numbers.

%C "and" is used in number names and "-" is counted as a letter (e.g., "twenty-one" has more letters than "seventeen").

%H Sean A. Irvine, <a href="/A001619/a001619.txt">Number names for terms in the sequence</a>

%K word,nonn

%O 1,2

%A _N. J. A. Sloane_

%E Missing terms added by _Sean A. Irvine_, Oct 04 2012

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)