%I #19 Mar 05 2020 23:53:40
%S 2,1,5,7,9,11,13,15,16,18,21,23,25,26,27,29,30,33,34,36,37,40,41,43,
%T 44,47,50,51,52,55,56,57,59,60,61,63,65,66,68,69,70,71,72,73,76,77,79,
%U 80,81,82,84,86,87,89,90,91,92,94,95,96,98,99
%N A self-descriptive sequence: positions of consonants in "two, one, five, seven, nine, eleven, thirteen, fifteen, ...".
%C If there is a choice, pick the smallest number (or word) that makes sense. Hyphens and spaces are ignored.
%D E. Angelini, "Jeux de suites", in Dossier Pour La Science, pp. 32-35, Volume 59 (Jeux math'), April/June 2008, Paris.
%Y See A019270 (a version involving vowels rather than consonants) for further information.
%Y For a French version of the "vowels" sequence see A139132.
%K nonn,word,easy
%O 1,1
%A _N. J. A. Sloane_
%E Edited by _N. J. A. Sloane_, Jan 04 2016 at the suggestion of _Eric Angelini_
%E More terms from _Sean A. Irvine_, Jan 06 2016
|