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 A125593 #11 Jul 23 2025 09:02:21 %S A125593 0,2,106,17552,10911088,26612379360 %N A125593 Number of nonsingular real n X n {0,1}-matrices which are not robust (cf. A125587). %F A125593 a(n) = A055165(n) - A125587(n). %Y A125593 Cf. A055165, A125587, A126603. %K A125593 nonn,more %O A125593 1,2 %A A125593 _Artur Jasinski_, Jan 07 2007 %E A125593 Typo in a(5) corrected by _Giovanni Resta_, Jul 23 2025