|
| |
|
|
A050933
|
|
Numbers n with property that spelling n in American English requires a new letter of the alphabet.
|
|
2
| |
|
|
0, 1, 2, 3, 4, 5, 6, 8, 11, 20, 100, 1000, 1000000, 1000000000, 1000000000000000, 1000000000000000000000000, 1000000000000000000000000000
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,3
|
|
|
COMMENTS
| The large numbers are (new letter in uppercase): "one Billion" (10^9), "one Quadrillon" (10^15), "one sePtillion" (10^24) and "one oCtillion" (10^27). Their names and definitions are based on the American system.
|
|
|
LINKS
| Landon Curt Noll, The English name of a number
R. Rowlett, Names for large numbers
|
|
|
EXAMPLE
| Spelling "zero" requires letters "z", "e", "r", "o". Spelling "one" requires a new letter, "n". Spelling "two" requires new letters, "t" and "w"; etc. Letters "j" and "k" are never used.
"1000" (one thousand) is the smallest number that requires an "a".
|
|
|
CROSSREFS
| Sequence in context: A101915 A022468 A181324 * A103302 A173288 A134677
Adjacent sequences: A050930 A050931 A050932 * A050934 A050935 A050936
|
|
|
KEYWORD
| easy,fini,full,nonn,word
|
|
|
AUTHOR
| Jean Fontaine (jfontain(AT)odyssee.net), Dec 30 1999
|
|
|
EXTENSIONS
| Corrected by Andrew Weimholt, Sep 27 2009
|
| |
|
|
