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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.

A371829 Number of unlabeled n-vertex hypergraphs (or set systems) that have a solution to the One Up puzzle.

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%I A371829 #5 Apr 10 2024 09:26:51
%S A371829 1,2,5,16,75,625
%N A371829 Number of unlabeled n-vertex hypergraphs (or set systems) that have a solution to the One Up puzzle.
%C A371829 See A371828 for the definition of the One Up puzzle on a hypergraph.
%Y A371829 Cf. A000612, A371476, A371828 (labeled hypergraphs).
%K A371829 nonn,more
%O A371829 0,2
%A A371829 _Pontus von Brömssen_, Apr 07 2024

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