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%I #10 Mar 13 2021 01:15:19
%S 3,12,36,75,157,254,434,635,911,1237,1734,2162,2908,3611,4461,5435,
%T 6734,7879,9568,10964,12861,14913,17438,19426,22381,25251,28482,31624,
%U 35879,39100,44165,48267,53463,58590,64476,69214,76693,83132,90303,96766
%N Number of distinct values of the sum of 2 products of three 0..n integers
%H R. H. Hardin, <a href="/A225259/b225259.txt">Table of n, a(n) for n = 1..139</a>
%o (Python)
%o def a(n):
%o zn = list(range(n+1))
%o prod3 = list(set(i*j*k for i in zn for j in zn[i:] for k in zn[j:]))
%o return len(set(a+b for i, a in enumerate(prod3) for b in prod3[i:]))
%o print([a(n) for n in range(1, 42)]) # _Michael S. Branicky_, Mar 12 2021
%Y Row 2 of A225258.
%K nonn
%O 1,1
%A _R. H. Hardin_, May 04 2013
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