A336824 - OEIS

%I #18 Aug 20 2020 21:12:00

%S 2,3,4,6,7,8,10,12,13,14,16,17,18,1000,1002,1003,1004,1006,1007,1008,

%T 1010,1012,1013,1014,1016,1017,1018,2000,2002,2003,2004,2006,2007,

%U 2008,2010,2012,2013,2014,2016,2018,3000,3002,3004,3006,3007,3008,3010,3012,3013,3014

%N Numbers that don't use the letter n when written in Spanish.

%D Rodolfo Kurchan, Problem 16, Diversiones con Números y Figuras, (2000).

%e 7 is a term because 7 in Spanish is "siete"  which has no letter n.

%e 1000 is a term because 1000 in Spanish is "mil" which has no letter n.

%K nonn,word

%O 1,1

%A _Rodolfo Kurchan_, Aug 04 2020