OFFSET
0,1
LINKS
Michael S. Branicky, Table of n, a(n) for n = 0..10000
PROG
(Python)
from num2words import num2words
def a(n): return sum(1 for c in num2words(n, lang='en_GB') if c.isalpha())
print([a(n) for n in range(121)]) # Michael S. Branicky, Apr 21 2023
CROSSREFS
KEYWORD
nonn,word
AUTHOR
N. J. A. Sloane, Apr 20 2023
EXTENSIONS
More than the usual number of terms are shown in the DATA field to avoid confusion with A005589.
STATUS
approved