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!)
A060403 Each term is the previous term plus the number of letters in the previous number, as conventionally spelled out in American English. 7
1, 4, 8, 13, 21, 30, 36, 45, 54, 63, 73, 85, 95, 105, 119, 137, 158, 178, 200, 210, 223, 244, 263, 283, 304, 320, 338, 361, 381, 402, 416, 434, 455, 475, 497, 519, 538, 560, 576, 597, 619, 637, 658, 678, 700, 712, 730, 748, 770, 789, 811, 829, 851, 871, 893 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Increases more slowly than A160395 since American English does not use 'and' to separate hundreds from the rest of the number. E.g., 619 = "six hundred nineteen" in American English but "six hundred and nineteen" in British English. - Carl R. White, May 12 2009
REFERENCES
GCHQ, The GCHQ Puzzle Book, Penguin, 2016. See pages 49 and 214.
LINKS
EXAMPLE
a(2)=4 because a(1)=1 and 4 is 1 plus the number of letters in "one," 3.
CROSSREFS
Cf. A005589 See A139097 for another version.
For British English see A160395. - Carl R. White, May 12 2009
Sequence in context: A312219 A312220 A335445 * A139097 A160395 A038793
KEYWORD
nonn,word,easy
AUTHOR
Kevin Langdon (kevin.langdon(AT)polymath-systems.com), Apr 05 2001
EXTENSIONS
More terms from Carl R. White, May 12 2009
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 19 07:25 EDT 2024. Contains 370955 sequences. (Running on oeis4.)