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 A274314 #16 Jan 28 2021 20:54:09 %S A274314 1,1,3,126,11340,5940840,12076523928,95052257647200, %T A274314 3153668941285723200,406198470650573931200640, %U A274314 215366179177149634500004545792,447870507819487666185959047316144640,3770394197251690930118967532374966498493440,126205342254129164806148123600990735262978861434880,16960349752279776751561660450391351891796348875427924676608 %N A274314 a(n) = number of squares in GL(n,2), the ring of invertible n X n matrices over GF(2). %H A274314 Victor S. Miller, <a href="http://arxiv.org/abs/1606.09299">Counting Matrices that are Squares</a>, arXiv:1606.09299 [math.GR], 2016. %H A274314 <a href="/index/Mat#binmat">Index entries for matrices, binary, which are squares</a> %Y A274314 Cf. A266462, A274313, A225371. %K A274314 nonn %O A274314 0,3 %A A274314 _N. J. A. Sloane_, Jun 25 2016