%I A074899
%S A074899 1,3,6,12,19,21,28,36,51,54,55,63,66,82,87,91,99,102,132,147,153,165,
%T A074899 168,171,252,307,309,351,352,379,381,417,423,451,501,505,523,534,564,
%U A074899 577,582,594,595,604,613,627,631,645,649,654,666,672,694,753,766,771
%N A074899 Triangular numbers written backwards and sorted, duplicates removed.
%Y A074899 Cf. A004158.
%Y A074899 Sequence in context: A116958 A006156 A061776 this_sequence A125851 A160732 
               A066140
%Y A074899 Adjacent sequences: A074896 A074897 A074898 this_sequence A074900 A074901 
               A074902
%K A074899 base,nonn
%O A074899 1,2
%A A074899 Jason Earls (zevi_35711(AT)yahoo.com), Sep 14 2002