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 A271483 #8 Apr 15 2016 12:53:40
%S A271483 0,0,0,0,0,0,4,16,50,129,274,542
%N A271483 Dimension of n-qubit quotient space Q_{3,n} for bond dimension 3.
%H A271483 M. Navascues, T. Vertesi, <a href="http://arxiv.org/abs/1509.04507">The Structure of Matrix Product States</a>, arXiv preprint arXiv:1509.04507, 2015.
%Y A271483 Cf. A096338.
%K A271483 nonn,more
%O A271483 3,7
%A A271483 _N. J. A. Sloane_, Apr 12 2016