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 A371704 #19 Apr 28 2024 11:09:52
%S A371704 12,13,49,51,111,114,198,202,310,315
%N A371704 Heights at which a Minecraft boat-drop will break up.
%H A371704 Mojang Studios, <a href="https://bugs.mojang.com/browse/MC-119369">Boats crash/break and can kill their passengers when falling certain distances</a> contains the bug report relating to this list.
%H A371704 Matt Parker, <a href="https://www.youtube.com/watch?v=ei58gGM9Z8k">The Minecraft boat-drop mystery</a>.
%F A371704 a(n) = (50*n^2 + 50*n + 23 - 23*(-1)^n*(1+2*n)) / 16. - _Robert P. P. McKone_, Apr 03 2024
%t A371704 Table[{k*(25 k - 1)/2, k*(25 k + 1)/2}, {k, 1, 5}] // Flatten (* _Robert P. P. McKone_, Apr 03 2024 *)
%K A371704 nonn,fini,full
%O A371704 1,1
%A A371704 _Douglas Boffey_, Apr 03 2024
%E A371704 a(7)-a(10) corrected by _Robert P. P. McKone_, Apr 03 2024