

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


LINKS

Table of n, a(n) for n=1..55.


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: A172050 A312219 A312220 * A139097 A160395 A038793
Adjacent sequences: A060400 A060401 A060402 * A060404 A060405 A060406


KEYWORD

nonn,word,easy


AUTHOR

Kevin Langdon (kevin.langdon(AT)polymathsystems.com), Apr 05 2001


EXTENSIONS

More terms from Carl R. White, May 12 2009


STATUS

approved



