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 A022707 #9 Jul 20 2018 06:03:49
%S A022707 1,-15,90,-275,555,-1653,6185,-14745,27390,-77370,222210,-454050,
%T A022707 935885,-2388795,5531835,-11402626,24305100,-53821020,117704765,
%U A022707 -244275885,494231898,-1048892855,2216119785,-4418663160,8855734025
%N A022707 Expansion of Product_{m>=1} (1+m*q^m)^-15.
%H A022707 G. C. Greubel, <a href="/A022707/b022707.txt">Table of n, a(n) for n = 0..1000</a>
%t A022707 With[{nmax = 50}, CoefficientList[Series[Product[(1 + k*q^k)^-15, {k, 1, nmax}], {q, 0, nmax}], q]] (* _G. C. Greubel_, Jul 20 2018 *)
%o A022707 (PARI) m=50; q='q+O('q^m); Vec(prod(n=1,m,(1+n*q^n)^-15)) \\ _G. C. Greubel_, Jul 20 2018
%K A022707 sign
%O A022707 0,2
%A A022707 _N. J. A. Sloane_