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 A080889 #9 Jul 26 2025 17:41:27
%S A080889 1,2,3,5,9,17,32,59,107,194,354,648,1186,2169,3964,7243,13237,24196,
%T A080889 44230,80849,147780,270117,493731,902469,1649589,3015219,5511391,
%U A080889 10074030,18413879,33657935,61521899,112453248,205548470,375713217,686750041,1255280897,2294474048
%N A080889 Expansion of 1/Sum_{k>=0} (-x)^Fibonacci(k).
%H A080889 Alois P. Heinz, <a href="/A080889/b080889.txt">Table of n, a(n) for n = 0..3817</a>
%Y A080889 Cf. A000045.
%K A080889 nonn
%O A080889 0,2
%A A080889 _Vladeta Jovovic_, Mar 30 2003