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 A370967 #17 Aug 20 2024 12:19:56 %S A370967 1,2,122,468732,114446643198 %N A370967 a(n) = number of max-closed n X n X n relations. %H A370967 Don Knuth, <a href="http://cs.stanford.edu/~knuth/papers/poly-Bernoulli.pdf">Parades and poly-Bernoulli bijections</a>, Mar 31 2024. See (19.14) and (19.16). %Y A370967 Cf. A370966. %K A370967 nonn,more %O A370967 0,2 %A A370967 _N. J. A. Sloane_, Apr 04 2024 %E A370967 a(0)=1 prepended by _Filip Stappers_, Aug 20 2024