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 A105743 #6 May 17 2024 15:43:10 %S A105743 1,10,11,6,5,1,4,5,6,8,8,6,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2, %T A105743 4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2, %U A105743 2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2,2,4,6,4,2 %N A105743 For n>2, a(n) > 0 is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=1,a(2)=10. %H A105743 <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (0,0,0,0,1). %Y A105743 Cf. A076839, A105736 - A105746. %K A105743 nonn %O A105743 1,2 %A A105743 _Zak Seidov_, Apr 19 2005 %E A105743 More terms from _Ray Chandler_, May 17 2024