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!)
A094066 Blind primes (no i's when written in English). 1
2, 3, 7, 11, 17, 23, 41, 43, 47, 71, 73, 101, 103, 107, 127, 173, 211, 223, 227, 241, 271, 277, 307, 311, 317, 347, 373, 401, 421, 443, 701, 727, 743, 773, 1021, 1103, 1117, 1123, 1171, 1201, 1217, 1223, 1277, 1301, 1303, 1307, 1321, 1327, 1373, 1423, 1427 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
If a naming system is used in which all numbers beyond 999999 contain the word "million," "billion," "trillion," or some other word containing the string "illion" (in which case such terms as "googol" would be disallowed, so that, e.g., 10^100+267 would be "ten duotrigintillion two hundred sixty-seven" under some naming systems), then the sequence is finite, ending with a(3028)=777743. - Jon E. Schoenfield, May 15 2010
LINKS
EXAMPLE
Prime 227 = TWO HUNDRED TWENTY-SEVEN has no I's.
CROSSREFS
Sequence in context: A140460 A045325 A216825 * A330070 A350839 A161921
KEYWORD
nonn,word
AUTHOR
Cino Hilliard, May 31 2004
EXTENSIONS
More terms from Jon E. Schoenfield, May 15 2010
STATUS
approved

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 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)