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 A003167 #34 Jan 18 2020 07:38:14 %S A003167 2,10,108,2892,270332 %N A003167 Number of n-dimensional cuboids with integral edge lengths for which volume = surface area. %C A003167 For n>1 it is always true that a(n) > 0 because for dimension n we always have the n-dimensional cuboid with all edge lengths = 2n = A062971(n) having hypervolume (2n)^n equal to "surface hyper-area". - _Jonathan Vos Post_, Mar 15 2006 %C A003167 Number of nondecreasing tuples (x_1, x_2, ..., x_n) such that 1/2 = 1/x_1 + 1/x_2 + ... + 1/x_n. - _Lewis Chen_, Dec 20 2019 %H A003167 Gerald E. Gannon, Martin V. Bonsangue and Terrence J. Redfern, <a href="http://www.jstor.org/stable/27970109">One Good Problem Leads to Another and Another and...</a>, Math. Teacher, 90 (#3, 1997), pp. 188-191. %H A003167 Michel Marcus, <a href="/A003167/a003167.txt">Cuboids for n=4</a>, after Joseph Myers. %e A003167 From _Joseph Myers_, Feb 24 2004: (Start) %e A003167 For n=2 the cuboids are 3 X 6 and 4 X 4. %e A003167 For n=3 the cuboids are 3 X 7 X 42, 3 X 8 X 24, 3 X 9 X 18, 3 X 10 X 15, 3 X 12 X 12, 4 X 5 X 20, 4 X 6 X 12, 4 X 8 X 8, 5 X 5 X 10, 6 X 6 X 6. (End) %e A003167 For n=4 see the Marcus link. %Y A003167 Cf. A002966. %K A003167 nonn,hard,more %O A003167 2,1 %A A003167 mjzerger(AT)adams.edu %E A003167 a(5)-a(6) from _Joseph Myers_, Feb 24 2004