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 A214367 #42 Mar 13 2017 11:23:20 %S A214367 1,4,53,57,110,167,277,444,721,119409,120130,239539,1557364,1796903, %T A214367 3354267,15213971,109852064,2871367635,2981219699,14796246431, %U A214367 17777466130,50351178691,68128644821,186608468333,254737113154,696082694641,950819807795,2597722310231,13939431358950 %N A214367 Denominators of continued fraction convergents to ( sqrt(4*sqrt(3)-3) - 1 )/4. %C A214367 This constant arises as the edge-length of one of the pieces in the classical 4-piece dissection of a square to an equilateral triangle (see references in A110312). %t A214367 Denominator[Convergents[(Sqrt[4 Sqrt[3] - 3] - 1)/4, 50]] %Y A214367 Cf. A224224, A110312. %K A214367 nonn,easy,frac %O A214367 1,2 %A A214367 _Jean-Claude Babois_, Feb 20 2013 %E A214367 Edited by _N. J. A. Sloane_, Apr 08 2013 at the request of _Jean-Claude Babois_ %E A214367 Mathematica code corrected to agree with terms by _Ray Chandler_, Mar 13 2017