OFFSET
1,2
EXAMPLE
First value is 1 because 1 -> "ONE" -> 3 letters and 3 is prime. Numbers >100 use naming convention using "and": 199 -> "ONEHUNDREDANDNINETYNINE" -> 23 letters and 23 is prime.
CROSSREFS
KEYWORD
easy,nonn,word
AUTHOR
Mark Hudson (mrmarkhudson(AT)hotmail.com), Jul 02 2002
STATUS
approved