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 A063247 #9 Aug 22 2019 12:18:12
%S A063247 1,5,8,11,14,18,20,24,27,30,33,37,39,43,46,49,52,56,58,62,65,68,71,75,
%T A063247 77,81,84,87,90,94,96,100,103,106,109,113,115,119,122,125,128,132,134,
%U A063247 138,141,144,147,151,153,157
%N A063247 Dimension of the space of weight 2n cuspidal newforms for Gamma_0( 100 ).
%H A063247 William A. Stein, <a href="http://wstein.org/Tables/dimskg0new.gp">Dimensions of the spaces S_k^{new}(Gamma_0(N))</a>
%H A063247 William A. Stein, <a href="http://wstein.org/Tables/">The modular forms database</a>
%F A063247 Conjectures from _Colin Barker_, Jun 08 2019: (Start)
%F A063247 G.f.: x*(1 + 5*x + 7*x^2 + 5*x^3 + x^4) / ((1 - x)^2*(1 + x)*(1 + x + x^2)).
%F A063247 a(n) = a(n-2) + a(n-3) - a(n-5) for n>5.
%F A063247 (End)
%K A063247 nonn
%O A063247 1,2
%A A063247 _N. J. A. Sloane_, Jul 10 2001