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 A361369 #10 Mar 10 2023 10:09:04 %S A361369 7,129,6865,774052 %N A361369 Number of weakly 2-connected simple planar digraphs with n unlabeled nodes. %D A361369 M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation. %Y A361369 Directed variant of A021103. %Y A361369 Cf. A000273, A003085, A361366-A361368 %K A361369 nonn,more %O A361369 3,1 %A A361369 _Manfred Scheucher_, Mar 09 2023