OFFSET
1,1
EXAMPLE
a(1)=2 ("Two"), a(4)=15 ("fifTeen"), a(9)=13000 ("thirteenThousand"), a(13)=302 ("threehundredTwo").
CROSSREFS
KEYWORD
word,sign
AUTHOR
Claudio Meller, Aug 26 2009
EXTENSIONS
a(9) corrected, and a(25) and beyond from Michael S. Branicky, Feb 02 2021
STATUS
approved