OFFSET
1,2
LINKS
Michael S. Branicky, Table of n, a(n) for n = 1..10000
EXAMPLE
0123456789
0 T is the
1 first, six
2 th, fourte
3 enth, twen
4 tieth, twe
5 nty-eighth
6 , thirty-s
7 econd, thi
8 rty-sixth,
9 fortieth,
0 forty-thi
1 rd, forty-
PROG
(Python)
from num2words import num2words
from itertools import islice
def n2w(n): return num2words(n, ordinal=True).replace(" and", "")
def agen(): # generator of terms
s, idx = "t is the ", 0
while True:
idx = 1 + s.index("t", idx)
yield idx
s += n2w(idx) + ", "
print(list(islice(agen(), 56))) # Michael S. Branicky, Mar 18 2022
CROSSREFS
KEYWORD
nonn,word
AUTHOR
J. Lowell, Oct 09 2006
EXTENSIONS
a(7)-a(22) from R. J. Mathar, Nov 10 2006
a(23) and beyond from Michael S. Branicky, Mar 18 2022
STATUS
approved