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 A270670 #4 Mar 21 2016 09:05:03
%S A270670 1,1,4,31,168,1841,18600,221845,2655408,44969041,703172880,
%T A270670 11894018621,231354830520,4504644624793,100890401218152,
%U A270670 2370351246834901,55456622199548640,1400307612079837985,39002429830457675808,1058964187034314179181,32049467535091477285800
%N A270670 E.g.f.: Product_{k>=1} (1 + k*sinh(x^k)).
%H A270670 Vaclav Kotesovec, <a href="/A270670/b270670.txt">Table of n, a(n) for n = 0..432</a>
%t A270670 nn = 25; Range[0, nn]! * CoefficientList[Series[Product[1+k*Sinh[x^k], {k, 1, nn}], {x, 0, nn}], x]
%Y A270670 Cf. A130220, A130263, A270294, A270669.
%K A270670 nonn
%O A270670 0,3
%A A270670 _Vaclav Kotesovec_, Mar 21 2016