%I #8 Oct 15 2023 13:08:15
%S 1,4,9,15,26,36,49,66,85,103,130,152,180,214,247,276,320,362,399,444,
%T 495,542,601,652,705,773,831,896,975,1040,1112,1192,1267,1349,1443,
%U 1518,1597,1702,1798,1884,1992,2085,2197,2310,2418,2522,2653,2759,2870,3014,3137
%N Number of distinct values of the sum of i*(i-1) over 3 realizations of i in 0..n.
%H R. H. Hardin, <a href="/A225283/b225283.txt">Table of n, a(n) for n = 1..390</a>
%Y Row 3 of A225281.
%K nonn
%O 1,2
%A _R. H. Hardin_, May 04 2013
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