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 A078757 #16 Jul 15 2017 13:13:15
%S A078757 1,17,51,449,1853,12853,61557,382024,1971559,11585969,62088471,
%T A078757 355111613,1939427729,10943439733,60338602299,338172377293,
%U A078757 1873494595072,10464657396101,58113694771149,324052035315389,1801727076022631,10038214290617749,55845947547948897
%N A078757 Values of A028470(n)/A000045(n+1).
%H A078757 Vincenzo Librandi, <a href="/A078757/b078757.txt">Table of n, a(n) for n = 1..1000</a>
%H A078757 James A. Sellers, <a href="http://www.cs.uwaterloo.ca/journals/JIS/VOL5/Sellers/sellers4.html">Domino Tilings and Products of Fibonacci and Pell Numbers</a>, Journal of Integer Sequences, Vol. 5 (2002), Article 02.1.2
%H A078757 <a href="/index/Rec#order_08">Index entries for linear recurrences with constant coefficients</a>, signature (1,25,11,-47,-11,25,-1,-1).
%F A078757 a(n) = a(n-1)+25a(n-2)+11a(n-3)-47a(n-4)-11a(n-5)+25a(n-6)-a(n-7)-a(n-8).
%F A078757 G.f.: -x*(x^7+x^6-24*x^5+11*x^4+38*x^3-9*x^2-16*x-1)/(x^8+x^7-25*x^6+11*x^5+47*x^4-11*x^3-25*x^2-x+1). [_Colin Barker_, Jun 22 2012]
%t A078757 CoefficientList[Series[-(x^7 + x^6 - 24 x^5 + 11 x^4 + 38 x^3 - 9 x^2 - 16 x - 1) / (x^8 + x^7 - 25 x^6 + 11 x^5 + 47 x^4 - 11 x^3 - 25 x^2 - x + 1), {x, 0, 30}], x] (* _Vincenzo Librandi_, Nov 13 2014 *)
%t A078757 LinearRecurrence[{1,25,11,-47,-11,25,-1,-1},{1,17,51,449,1853,12853,61557,382024},30] (* _Harvey P. Dale_, Jul 15 2017 *)
%Y A078757 Cf. A028470, A000045.
%K A078757 easy,nonn
%O A078757 1,2
%A A078757 _Michael David Hirschhorn_, Jan 08 2003
%E A078757 More terms from _Vincenzo Librandi_, Nov 13 2014