%I A145397
%S A145397 2,3,5,6,7,8,9,11,12,13,14,15,16,17,18,19,21,22,23,24,25,26,27,28,29,30,
%T A145397 31,32,33,34,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,
%U A145397 55,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78
%N A145397 Numbers not of the form n*(n+1)*(n+2), the non-tetrahedral numbers.
%C A145397 Complement of A000292; A000040 is a subsequence;
%C A145397 A014306(a(n)) = 1; A023533(a(n)) = 0.
%Y A145397 Sequence in context: A039159 A003251 A039167 this_sequence A047256 A039252 
               A039194
%Y A145397 Adjacent sequences: A145394 A145395 A145396 this_sequence A145398 A145399 
               A145400
%K A145397 nonn
%O A145397 1,1
%A A145397 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 14 2008