%I A014419
%S A014419 0,1,3,4,6,9,10,12,13,15,18,19,21,22,27,28,30,31,33,36,37,39,40,42,
%T A014419 45,46,48,49,54,55,57,58,60,63,64,66,67,69,72,73,75,76,81,82,84,85,
%U A014419 87,90,91,93,94,96,99,100,102,103,108,109,111,112,114,117,118,120
%N A014419 Write n in base of Catalan numbers, then interpret as if written in base 
               3.
%Y A014419 Cf. A014418.
%Y A014419 Sequence in context: A080710 A115837 A102342 this_sequence A138670 A080336 
               A082692
%Y A014419 Adjacent sequences: A014416 A014417 A014418 this_sequence A014420 A014421 
               A014422
%K A014419 nonn,easy
%O A014419 0,3
%A A014419 Olivier Gerard (olivier.gerard(AT)gmail.com)