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 A292755 #11 Oct 22 2018 22:18:54 %S A292755 0,0,4,4,6,7,23,103,326,793 %N A292755 Essential dimension of the set of isomorphism classes of nondegenerate quadratic forms of dimension 2n with trivial discriminant and trivial Clifford invariant over a field of characteristic different from 2. %D A292755 A. Merkurjev, Essential dimension, Quadratic forms-algebra, arithmetic, and geometry (R. Baeza, W. K. Chan, D. W. Hoffmann, and R. Schulze-Pillot, eds.), Contemp. Math., vol. 493, 2009, pp. 299-325. %H A292755 Alexander S. Merkurjev, <a href="https://doi.org/10.1090/bull/1564">Essential dimension</a>, Bull. Amer. Math. Soc., 54 (Oct. 2017), 635-661. %Y A292755 Cf. A280191. %K A292755 nonn,more %O A292755 2,3 %A A292755 _N. J. A. Sloane_, Sep 25 2017