A160782 - OEIS

%I #5 Jun 20 2013 05:07:31

%S 21,22,31,32,43,46,48,55,57,59,61,62,71,72,81,82,91,92,101,102,130,

%T 171,172,205,207,209,213,231,232,304,315,320,333,336,338,434,440,505,

%U 507,509,513,531,532,604,615,620,633,636,638,704,715,720,733,736,738,804

%N Numbers that have a "t" in the middle of their names in Spanish.

%C 21 = veinTiuno, 22 = veinTidos, 31 = treinTayuno

%K nonn,word

%O 1,1

%A _Claudio Meller_, May 26 2009