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 A145309 #21 Apr 07 2024 17:43:05 %S A145309 97,44489542,20300667221737,9263235054568775182, %T A145309 4226832681849540586103377,1928712206384045833465574584822, %U A145309 880075237193226049220159073617573017 %N A145309 Numbers x such that there exists n in N : (x+1)^3-x^3=79*n^2. %H A145309 <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (456303,-456303,1). %F A145309 a(n) = 456302*a(n-1) - a(n-2) + 228150. %F A145309 G.f.: x*(98*x^2-228151*x-97)/((x-1)*(x^2-456302*x+1)). - _Colin Barker_, Aug 24 2012 %e A145309 a(1)=97 because the first relation is : 98^3-97^3=79*19^2. %K A145309 easy,nonn %O A145309 1,1 %A A145309 _Richard Choulet_, Oct 06 2008