A214095 - OEIS

%I #10 Jan 03 2019 06:29:35

%S 1,1,2,2,1,4,4,3,4,3,6,4,11,8,10,11,4,4,5,20,21,21,23

%N Position of integer n in the list of first n natural numbers written out in French and arranged in alphabetical order.

%e We have a(14) = 8 because of the ordered list: cinq, deux, dix, douze, huit, neuf, onze, quatorze, quatre, sept, six, treize, trois, un.

%o (PARI) lista() = {my(v = ["un", "deux", "trois", "quatre", "cinq", "six", "sept", "huit", "neuf", "dix", "onze", "douze", "treize", "quatorze", "quinze", "seize", "dix-sept", "dix-huit", "dix-neuf", "vingt"], vs); for (i=1, #v, vp = vector(i, k, v[k]); vs = vecsort(vp); for (k=1, #vp, if (vs[k] == v[i], print1(k, ", "); break);););} \\ _Michel Marcus_, Jan 03 2019

%Y CF. A108017 (in English).

%K nonn,more,word

%O 1,3

%A _Luc Comeau-Montasse_, Jul 03 2012