%I A058373
%S A058373 0,0,1,1,2,10,25,49,84,132,195,275,374,494,637,805,1000,1224,1479,
%T A058373 1767,2090,2450,2849,3289,3772,4300,4875,5499,6174,6902,7685,8525,
%U A058373 9424,10384,11407,12495,13650,14874,16169,17537,18980,20500,22099
%V A058373 0,0,-1,-1,2,10,25,49,84,132,195,275,374,494,637,805,1000,1224,1479,
%W A058373 1767,2090,2450,2849,3289,3772,4300,4875,5499,6174,6902,7685,8525,
%X A058373 9424,10384,11407,12495,13650,14874,16169,17537,18980,20500,22099
%N A058373 (1/6)*(2*n - 3)*(n + 2)*(n + 1).
%F A058373 a(n)=2*C(n,3)-C(n,2),n>=0 - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Nov 25 2006
%p A058373 [seq(2*binomial(n,3)-binomial(n,2),n=0..42)]; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Nov 25 2006
%p A058373 a:=n->sum((j-2)*j,j=0..n): seq(a(n),n=-1..41); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Dec 02 2006
%p A058373 seq(add (k^2-n, k =0..n), n=-1..41 ); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Aug 26 2007
%t A058373 s=0;lst={0, s};Do[s+=n^2-1;AppendTo[lst, s], {n, 0, 6!, 1}];lst [From 
               Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 07 2008]
%t A058373 Table[Sum[i^2 - 2*i, {i, 0, n}], {n, -1, 41}] [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Jul 10 2009]
%Y A058373 Sequence in context: A130016 A120550 A119062 this_sequence A167386 A027719 
               A069894
%Y A058373 Adjacent sequences: A058370 A058371 A058372 this_sequence A058374 A058375 
               A058376
%K A058373 sign
%O A058373 -2,5
%A A058373 N. J. A. Sloane (njas(AT)research.att.com), Dec 18 2000