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 A276412 #20 Aug 28 2025 11:14:13 %S A276412 1,1,6,27,472,19735,2773763,1245930065,1816451773537,8687099045170277, %T A276412 138409456269288832810,7456837714994642537616273, %U A276412 1376366010506271334134714585969,880266808159237325569935079783591707 %N A276412 Number of 0/1 n-simplices formed from vertices of unit n-dimensional cube, including degenerate ones. %H A276412 Jan Brandts and Apo Cihangir, <a href="https://doi.org/10.1515/spma-2017-0014">Enumeration and investigation of acute 0/1-simplices modulo the action of the hyperoctahedral group</a>, Spec. Matrices, 5 (2017), 158-201; arXiv preprint arXiv:<a href="https://arxiv.org/abs/1512.03044">1512.03044</a> [math.CO], 2015. %H A276412 Harald Fripertinger, <a href="https://www.mathe2.uni-bayreuth.de/frib/codes/tables_72.html">Number of isometry classes of [n,m]-block codes over an alphabet of size 2</a>, 2016. %Y A276412 Cf. A276411, A126776 (non-degenerate simplices only), A105231 (non-degenerate polytopes of any shape). The right border of A276777. %K A276412 nonn,changed %O A276412 1,3 %A A276412 _N. J. A. Sloane_, Sep 17 2016 %E A276412 Terms a(9)-a(14) from Fripertinger's table added by _Andrei Zabolotskii_, Aug 28 2025