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 A297122 #14 Dec 28 2017 07:12:47
%S A297122 0,0,0,81,512,0,0,16807,32768,0,0,161051,331776,0,0,1518750,1572864,0,
%T A297122 0,2476099,6400000,0,0,19309029,15925248,0,0,19131876,34420736,0,0,
%U A297122 85887453,100663296,0,0,105043750,151165440,0,0,360896796,204800000,0,0,147008443
%N A297122 a(n) = n^5*H(n) where H() is the Hurwitz class number.
%H A297122 Seiichi Manyama, <a href="/A297122/b297122.txt">Table of n, a(n) for n = 0..5000</a>
%F A297122 a(n) = n^5*A259825(n)/12.
%F A297122 a(4*n+1) = a(4*n+2) = 0.
%o A297122 (PARI) {a(n) = n^5*qfbhclassno(n)}
%Y A297122 Cf. A000594, A259825, A297127.
%K A297122 nonn
%O A297122 0,4
%A A297122 _Seiichi Manyama_, Dec 26 2017