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 A010696 #34 Jul 08 2025 01:44:32
%S A010696 2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,
%T A010696 2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,2,6,
%U A010696 2,6,2,6,2,6,2,6,2,6,2,6,2
%N A010696 Periodic sequence: Repeat 2,6.
%C A010696 Original name: Period 2.
%C A010696 Also continued fraction expansion of 1+(2/3)*sqrt(3). - _Bruno Berselli_, Sep 22 2011
%H A010696 <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (0,1)
%F A010696 G.f.: ( -2-6*x ) / ( (x-1)*(1+x) ). - _R. J. Mathar_, Jul 07 2011
%F A010696 a(n) = a(-n) = 2*A010684(n) = A131800(2n+1) = A010123(2n+2). - _Bruno Berselli_, Sep 22 2011
%t A010696 PadRight[{}, 100, {2, 6}] (* _Paolo Xausa_, Feb 22 2024 *)
%Y A010696 Cf. A174114. [From _Reinhard Zumkeller_, Mar 08 2010]
%K A010696 nonn,easy
%O A010696 0,1
%A A010696 _N. J. A. Sloane_
%E A010696 Definition rewritten by _Bruno Berselli_, Sep 22 2011