OFFSET
3,3
COMMENTS
This is to A052360 as A134629 is to A005589. Also assumes no 'and' is used to spell integers. This deviates from A134629 at a(10). "twenty-one" is the smallest integer whose standard English name has a hyphen. "one hundred" is the smallest integer whose standard English name has a space. "one hundred twenty-one" is the smallest integer whose standard English name has a space and a hyphen.
LINKS
Eric Weisstein's World of Mathematics, Number
EXAMPLE
a(3) = 1 because "one" has 3 characters.
a(4) = 0 because "zero" has 4 characters.
a(5) = 3 because "three" has 5 characters.
a(6) = 11 because "eleven" has 6 characters.
a(7) = 15 because "fifteen" has 7 characters.
a(8) = 13 because "thirteen" has 8 characters.
a(9) = 17 because "seventeen" has 9 characters.
a(10) = 21 because "twenty-one" has 10 characters.
a(11) = 24 because "twenty-four" has 11 characters.
a(12) = 23 because "twenty-three" has 12 characters.
a(13) = 73 because "seventy-three" has 13 characters.
a(14) = 3000 because "three thousand" has 14 characters.
CROSSREFS
KEYWORD
easy,nonn,word
AUTHOR
Jonathan Vos Post, Nov 08 2007
EXTENSIONS
Corrected and extended by Martin Fuller, Nov 24 2007
STATUS
approved