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 A275571 #30 May 26 2018 02:42:41
%S A275571 1,5,8,45,121,320,841,2205,5776,15125,39601,103680,271441,710645,
%T A275571 1860496,4870845,12752041,33385280,87403801,228826125,599074576,
%U A275571 1568397605,4106118241,10749957120,28143753121,73681302245,192900153616,505019158605,1322157322201
%N A275571 Incorrect duplicate of A004146.
%C A275571 a(3) should be 16, not 8.
%C A275571 Previous name was: Number of spanning trees in the wheel graph G consisting of an n-cycle with a central vertex connected to each vertex of the cycle.
%F A275571 a(n) = Sum_{i=1..n-1} ( Fibonacci(2n-2i)*i^2 ) + n^2.
%K A275571 dead
%O A275571 1,2
%A A275571 _He Wenyang_, Aug 02 2016