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 A166609 #8 May 10 2020 09:23:58
%S A166609 1,1441,1715,11706,16741,18435,23793,29927,32071,33932,45768,45831,
%T A166609 47103,47215,48257,55743,56007,61976,62773,64841,68561,70853,70880,
%U A166609 81624,83526,86243,87529,88162,91054,91395,92288,92933,94211,98982
%N A166609 Numbers k such that Sum_{i=1..k} i^9 divides Product_{i=1..k} i^9.
%H A166609 David A. Corneth, <a href="/A166609/b166609.txt">Table of n, a(n) for n = 1..3003</a>
%e A166609 a(2) = A125314(9) = 1441.
%Y A166609 Cf. A125314, A166602, A060462, A166604, A166605, A166606, A166607, A166608, A166610.
%K A166609 nonn
%O A166609 1,2
%A A166609 _Alexander Adamchuk_, Oct 18 2009
%E A166609 More terms from _Max Alekseyev_, Sep 30 2010