A331482 Position of the first letter of n (in Dutch) in the alphabet.

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

Links

Table of n, a(n) for n=0..70.

Wikibooks, Rekenen/Natuurlijke getallen

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 A311482(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

Adjacent sequences: A331479 A331480 A331481 * A331483 A331484 A331485

Keyword

nonn,word

Author

J. Marcel Feenstra, Jan 18 2020

Status

approved