Search: id:A019469
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%I A019469
%S A019469 2,3,4,6,8,9,12,15,16,27,30,32,33,36,39,42,64,81,84,87,
%T A019469 90,93,96,108,111,114,117,120,123,128,243,246,249,252,255,
%U A019469 256,258,270,273,276,279,282,285,324,327,330,333,336,339
%N A019469 Numbers n such that (n-2)-nd Catalan number is not divisible by n.
%C A019469 Conjecture: sequence is union of powers of two >1 (A000079) and 3 * A096304.
%Y A019469 Cf. A000108.
%Y A019469 Complement of A019470.
%Y A019469 Sequence in context: A097273 A006446 A002348 this_sequence A081491 A161826 
               A048716
%Y A019469 Adjacent sequences: A019466 A019467 A019468 this_sequence A019470 A019471 
               A019472
%K A019469 nonn
%O A019469 1,1
%A A019469 Wouter Meeussen (wouter.meeussen(AT)pandora.be)

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