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 A338564 #6 Nov 03 2020 02:36:40
%S A338564 1,0,1,0,0,1,2,17,51,175,827,3951,20428,115262,692851,4324011,
%T A338564 29446302,211048631,1623253741,13109205113
%N A338564 Number of cyclic arrangements of {1..n} such that any three neighbors satisfy the triangle inequality.
%C A338564 Reversals of these circular permutations are not counted as different.
%H A338564 Fausto A. C. Cariboni, <a href="/A338564/a338564.txt">Complete solutions for a(3)-a(11)</a>
%Y A338564 Cf. A336351.
%K A338564 nonn,more
%O A338564 3,7
%A A338564 _Fausto A. C. Cariboni_, Nov 02 2020