OFFSET
1,2
COMMENTS
Original definition used "-2 for infinite".
EXAMPLE
a(2)=5 ("fIve"), a(3)=13 ("thIrteen"), a(5)=10^6 ("onemIllion").
CROSSREFS
KEYWORD
word,sign
AUTHOR
Claudio Meller, Aug 26 2009
EXTENSIONS
a(11) and beyond from Michael S. Branicky, Feb 02 2021
Name changed to remove "-2" (see Comments), and a(1) and a(4) changed from -2 to -1 by Jon E. Schoenfield, Feb 02 2021
STATUS
approved