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%I #6 Oct 03 2013 09:31:25
%S 3,4,13,14,23,24,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,
%T 47,48,49,53,54,63,64,73,74,83,84,93,94,103,104,113,114,123,124,130,
%U 131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148
%N Numbers whose name in English contains an "r".
%C A008520 are numbers which contain an "e", A008540 an "f", A011538 a "g", A008536 an "n", A008519 an "o", A008538 an "s", A008522 a "t", A011534 a "u", A011532 a "w", A011536 an "x" and A008553 a "y"
%e a(1) = 3 because "three" contains an "r", 0, 1 and 2 do not
%Y Cf. A008520, A008540, A011538, A008536, A008519, A008538, A008522, A011534, A011532, A011536, A008553.
%K easy,nonn,word
%O 1,1
%A _Michael Joseph Halm_, Jul 10 2004