This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A225527 #6 May 10 2013 12:26:20
%S A225527 1,1,2,3,5,6,9,11,14,17,20,22,27,30,35,40,45,49,54,59,66,72,79,84,92,
%T A225527 98,105,112,119,125,135,142,151,159,168,177,187,195,205,214,225,233,
%U A225527 246,255,268,279,291,302,316,329,340,352,367,377,392
%N A225527 Number of distinct products i*j over all pairs (i,j) with i,j>=0 and i+j <= n.
%C A225527 This sequence is in reply to an extension request made in A100449.
%H A225527 Robert Price, <a href="/A225527/b225527.txt">Table of n, a(n) for n = 0..400</a>
%t A225527 f[n_]:=Length[Complement[Union[Flatten[Table[If[i+j≤n,{i*j}],{i,0,n},{j,0,n}],1]],{Null}]]; Table[f[n],{n,0,100}]
%Y A225527 Cf. A018805, A027430, A100448, A100449, A100450, A213207, A213208.
%K A225527 nonn,easy
%O A225527 0,3
%A A225527 _Robert Price_, May 09 2013