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 A359994 #9 Nov 12 2023 09:32:03 %S A359994 1,1,2,3,6,9,16,25,44,67,115 %N A359994 Independence number of the 2-Fibonacci digraph of order n. %C A359994 See Dalfó and Fiol (2019) or A360000 for the definition of the 2-Fibonacci graph. %C A359994 a(12) >= 179. - _Pontus von Brömssen_, Nov 12 2023 %H A359994 C. Dalfó and M. A. Fiol, <a href="https://arxiv.org/abs/1909.06766">On d-Fibonacci digraphs</a>, arXiv:1909.06766 [math.CO], 2019. %o A359994 (Python) %o A359994 import networkx as nx %o A359994 def F(n): return nx.DiGraph(((0,0),(0,1),(1,0))) if n == 1 else nx.line_graph(F(n-1)) %o A359994 def A359994(n): return nx.max_weight_clique(nx.complement(nx.Graph(F(n))),weight=None)[1] %Y A359994 Cf. A006946, A359995, A359996, A360000. %K A359994 nonn,more %O A359994 1,3 %A A359994 _Pontus von Brömssen_, Jan 21 2023