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 A125895 #6 Jul 19 2021 19:12:32
%S A125895 1,1,2,3,4,6,8,12,16,22,30,42,57,78,107,147,200,274,374,511,699,955,
%T A125895 1304,1782,2434,3326,4543,6206,8478,11581,15820,21611,29521,40327,
%U A125895 55088,75251,102795,140421,191819,262030,357939,488954,667924,912401,1246364
%N A125895 a(n) = floor(((1+sqrt(3))/2)^n).
%t A125895 Table[Floor[((1 + Sqrt[3])/2)^n], {n, 1, 100}]
%Y A125895 Cf. A125890-A125899.
%K A125895 nonn
%O A125895 1,3
%A A125895 _Artur Jasinski_, Dec 13 2006