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 A108772 #9 Dec 30 2023 16:18:33 %S A108772 0,1,-369,-9408,22853743,4794451200,-3085237931328,-819499646151424, %T A108772 384739275624398865,158606464687370095617,-50143660099205286196800, %U A108772 -29592112124024539896414528,6061193531453485412550560256,5483327637634568394533944708352 %N A108772 ( (Theta series of E_8)^(1/8) - (theta series of Leech lattice)^(1/24) ) / 30. %H A108772 N. Heninger, E. M. Rains and N. J. A. Sloane, <a href="http://arXiv.org/abs/math.NT/0509316">On the Integrality of n-th Roots of Generating Functions</a>, J. Combinatorial Theory, Series A, 113 (2006), 1732-1745. %Y A108772 Equals (A108091-A108093)/30. %K A108772 sign %O A108772 0,3 %A A108772 _N. J. A. Sloane_ and _Nadia Heninger_, Jun 21 2005