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A331482
Position of the first letter of n (in Dutch) in the alphabet.
1
14, 5, 20, 4, 22, 22, 26, 26, 1, 14, 20, 5, 20, 4, 22, 22, 26, 26, 1, 14, 20, 5, 20, 4, 22, 22, 26, 26, 1, 14, 4, 5, 20, 4, 22, 22, 26, 26, 1, 14, 22, 5, 20, 4, 22, 22, 26, 26, 1, 14, 22, 5, 20, 4, 22, 22, 26, 26, 1, 14, 26, 5, 20, 4, 22, 22, 26, 26, 1, 14, 26
OFFSET
0,1
EXAMPLE
'Een' (Dutch for 'one') begins with 'E', the fifth letter of the alphabet, hence a(1)=5.
MATHEMATICA
a[n_] := LetterNumber @ Characters[IntegerName[n, {"Dutch", "Ordinal"}]][[1]]; Array[a, 100, 0] (* Amiram Eldar, Jan 18 2020 *)
PROG
(Python)
from num2words import num2words
import unidecode
def A331482(n):
return ord(unidecode.unidecode(num2words(n, lang='nl')).lower()[0]) - 96 # Chai Wah Wu, Feb 27 2020
CROSSREFS
Cf. A005606 (English), A161377 (Spanish), A277685 (Portuguese).
Cf. other Dutch sequences: A090589, A247802.
Sequence in context: A344046 A084676 A180848 * A068609 A166208 A367327
KEYWORD
nonn,word
AUTHOR
J. Marcel Feenstra, Jan 18 2020
STATUS
approved