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 A340523 #10 Feb 08 2021 15:16:05 %S A340523 1,7,35,29,111,455,1056,1624,645,2296,1584,7504,18081,15959,28441 %N A340523 Weight multiplicities for 248-dimensional irreducible representation of the Lie algebra E_8. %H A340523 Moody, Robert V., and Jiri Patera, <a href="https://doi.org/10.1090/S0273-0979-1982-15021-2">Fast recursion formula for weight multiplicities</a>, Bulletin of the American Mathematical Society 7.1 (1982): 237-242. %Y A340523 Cf. A004009, A121732, A340522, A341289, A341290. %K A340523 nonn,more %O A340523 1,2 %A A340523 _N. J. A. Sloane_, Feb 08 2021