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 A119007 #8 Jun 17 2025 22:17:18 %S A119007 1,4,16,16,416,10240,161280,645120,15482880,402554880 %N A119007 Number of n X n real symmetric (+1,-1)-matrices having minimal determinant (=A119000(n)). %Y A119007 Cf. A119000, A119003, A119005, A119006. %K A119007 nonn,more %O A119007 1,2 %A A119007 _Giovanni Resta_, May 08 2006 %E A119007 a(8)-a(10) from _Max Alekseyev_, Jun 17 2025