A344013 - OEIS

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A344013

a(1)=1; thereafter a(n) = A169639(a(n-1)).

1, 35, 125, 157, 206, 148, 197, 293, 333, 286, 302, 177, 246, 245, 236, 230, 178, 244, 275, 295, 342, 274, 326, 247, 253, 281, 285, 293, 333, 286, 302, 177, 246, 245, 236, 230, 178, 244, 275, 295, 342, 274, 326, 247, 253, 281, 285, 293, 333, 286, 302, 177, 246, 245, 236, 230, 178, 244, 275

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

A French analog of A345126 (British English) and A345157 (US English).

Enters a cycle of length 20 starting from a(8). - Chai Wah Wu, Jun 12 2021

LINKS

Table of n, a(n) for n=1..59.

EXAMPLE

1 = un -> 35 = trente-cinq -> 125 -> cent vingt cinq = 157.

MATHEMATICA

a[1]=1; a[n_]:=a[n]=Total@LetterNumber@StringDelete[IntegerName[a[n-1], "French"], {" ", "-"}]; Array[a, 100] (* Giorgos Kalogeropoulos, Jun 11 2021 *)

PROG

(Python)

from num2words import num2words

from unidecode import unidecode

A344013_list = [1]

for _ in range(10):

A344013_list.append(sum(ord(s)-96 for s in unidecode(num2words(A344013_list[-1], lang='fr')) if s.isalpha())) # Chai Wah Wu, Jun 11 2021

CROSSREFS

Cf. A073327, A169639, A345240, A345126, A345157.

Sequence in context: A216268 A098218 A247679 * A225930 A209370 A219717

Adjacent sequences: A344010 A344011 A344012 * A344014 A344015 A344016

KEYWORD

nonn,word

AUTHOR

Simon Plouffe and N. J. A. Sloane, Jun 10 2021

EXTENSIONS

More terms from Chai Wah Wu, Jun 11 2021

STATUS

approved