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 A351591 #11 Feb 16 2025 08:34:02 %S A351591 0,0,1,9,64,2197,608923,216000000 %N A351591 Number of minimal edge coverings of the n-triangular honeycomb acute knight graph. %H A351591 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/MinimalEdgeCover.html">Minimal Edge Cover</a> %Y A351591 Cf. A289904, A321486. %K A351591 nonn,more %O A351591 1,4 %A A351591 _Eric W. Weisstein_, Feb 14 2022 %E A351591 a(8) from _Andrew Howroyd_, Feb 21 2022