Search: id:A132121
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%I A132121
%S A132121 0,1,2,5,11,17,14,32,50,68,30,70,110,150,190,55,130,205,280,355,430,91,
%T A132121 217,343,469,595,721,847,140,336,532,728,924,1120,1316,1512,204,492,780,
%U A132121 1068,1356,1644,1932,2220,2508,285,690,1095,1500,1905,2310,2715,3120
%N A132121 Triangle read by rows: T(n,k)=n*(n+1)*((3*k+2)*n+1)/6, 0<=k<=n.
%C A132121 Row sums give A132122; central terms give A132123
%C A132121 T(n,0) = A000330(n);
%C A132121 T(n,1) = A033994(n) for n>0;
%C A132121 T(n,2) = A132124(n) for n>1;
%C A132121 T(n,3) = A132112(n) for n>2;
%C A132121 T(n,4) = A050409(n) for n>3.
%Y A132121 Sequence in context: A081402 A118660 A009770 this_sequence A070957 A166744 
               A080165
%Y A132121 Adjacent sequences: A132118 A132119 A132120 this_sequence A132122 A132123 
               A132124
%K A132121 nonn,tabl
%O A132121 0,3
%A A132121 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 12 2007

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