Search: id:A001219
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%I A001219
%S A001219 0,6,120,210,990,185136,258474216
%N A001219 Triangular numbers of form a(a+1)(a+2).
%D A001219 R. K. Guy, Unsolved Problems in Number Theory, D3.
%H A001219 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               TriangularNumber.html">Link to a section of The World of Mathematics.</
               a>
%Y A001219 Sequence in context: A081537 A127726 A117063 this_sequence A076233 A066581 
               A054776
%Y A001219 Adjacent sequences: A001216 A001217 A001218 this_sequence A001220 A001221 
               A001222
%K A001219 nonn,fini,full
%O A001219 1,2
%A A001219 N. J. A. Sloane (njas(AT)research.att.com).

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