%I #6 Oct 15 2023 13:09:59
%S 1,8,21,39,66,96,134,178,232,285,353,422,501,586,676,773,881,989,1107,
%T 1232,1362,1500,1650,1798,1955,2121,2296,2472,2661,2855,3051,3255,
%U 3468,3689,3917,4148,4391,4636,4891,5145,5416,5687,5970,6261,6556,6856,7163
%N Number of distinct values of the sum of i*(i-1) over 7 realizations of i in 0..n.
%H R. H. Hardin, <a href="/A225287/b225287.txt">Table of n, a(n) for n = 1..390</a>
%Y Row 7 of A225281.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 04 2013