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 A383026 #18 Jun 20 2025 04:54:24 %S A383026 1,180,225,150,175,200,125,160,175,184,125,127,150,160,200,100,125, %T A383026 140,150,175,192,80,100,125,150,160,173,250,80,100,110,125,140,150, %U A383026 200,250,50,100,112,125,150,155,160,200,250,50,80,100,125,128,150,170,175,200,250 %N A383026 Triangle T(n,k) read by rows whose n-th row is the lexicographically first n-tuple of ordered distinct positive integers with sum A382547(n) and product A382547(n) * 100^(n-1), or an n-tuple of zeros when A382547(n) = 0. %C A383026 Because A382547(n) > 0 for only finitely many n, the triangle has only finitely many nonzero rows. %H A383026 Markus Sigg, <a href="/A383026/b383026.txt">Table of n, a(n) for n = 1..231</a>, rows 1..21, flattened. %e A383026 Triangle begins: %e A383026 1, %e A383026 180, 225, %e A383026 150, 175, 200, %e A383026 125, 160, 175, 184, %e A383026 125, 127, 150, 160, 200, %e A383026 100, 125, 140, 150, 175, 192, %e A383026 80, 100, 125, 150, 160, 173, 250, %e A383026 80, 100, 110, 125, 140, 150, 200, 250, %e A383026 50, 100, 112, 125, 150, 155, 160, 200, 250, %e A383026 50, 80, 100, 125, 128, 150, 170, 175, 200, 250, %e A383026 50, 65, 75, 100, 125, 128, 150, 175, 200, 250, 320, %e A383026 25, 50, 80, 100, 125, 128, 150, 200, 225, 230, 250, 300, %e A383026 ... %e A383026 For n = 6 there are three 6-tuples with sum A382547(6) = 882 and product 100^5 * 882, namely (100, 125, 140, 150, 175, 192), (100, 125, 147, 150, 160, 200), (112, 120, 125, 150, 175, 200). The first of these is the lexicographically smallest and thus is row 6 of the triangle. %Y A383026 Cf. A382547, A380887, A381187. %K A383026 nonn,fini,tabl %O A383026 1,2 %A A383026 _Markus Sigg_, Apr 13 2025