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A157902
a(n) is the smallest number greater than a(n-1) whose name in UK English contains n consonants.
0
1, 2, 3, 12, 13, 22, 23, 300, 1001, 1002, 1003, 1012, 1013, 1022, 1023, 1102, 1103, 1112, 1113, 1122, 1123, 1223, 1323, 2323, 3323, 12323, 13323, 22323, 23323, 101223, 101323, 102323, 103323, 112323, 113323, 122323, 123323, 223323, 323323, 1113323, 1122323, 1123323, 1223323, 1323323
OFFSET
1,2
COMMENTS
In UK English, "1001" is written as "one thousand and one".
oNe = 1, TWo = 2, THRee = 3, TWeLVe = 4, THiRTeeN = 5, TWeNTyTWo = 6, TWeNTyTHRee = 7, 300 = THRee HuNDReD = 8, oNe THouSaND aND oNe = 9, oNe THouSaND aND TWo = 10, oNe THouSaND aND THRee = 11, oNe THouSaND aND TWeLVe = 12.
LINKS
PROG
(Python)
from num2words import num2words
from itertools import count, islice
def c(n): return sum(1 for c in num2words(n) if c in "bcdfghjklmnpqrstvwxz")
def agen():
n, adict = 1, dict()
for k in count(1):
v = c(k)
if v == n: yield k; n += 1
print(list(islice(agen(), 39))) # Michael S. Branicky, Aug 09 2022
CROSSREFS
Sequence in context: A239017 A157899 A157900 * A102660 A081347 A309176
KEYWORD
nonn,word
AUTHOR
Rodolfo Kurchan, Mar 08 2009
EXTENSIONS
Edited by Jon E. Schoenfield, Oct 06 2018
a(16) and beyond from Michael S. Branicky, Aug 09 2022
STATUS
approved