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Number of cyclic arrangements of {1..n} such that any three neighbors satisfy the triangle inequality.
1

%I #6 Nov 03 2020 02:36:40

%S 1,0,1,0,0,1,2,17,51,175,827,3951,20428,115262,692851,4324011,

%T 29446302,211048631,1623253741,13109205113

%N Number of cyclic arrangements of {1..n} such that any three neighbors satisfy the triangle inequality.

%C Reversals of these circular permutations are not counted as different.

%H Fausto A. C. Cariboni, <a href="/A338564/a338564.txt">Complete solutions for a(3)-a(11)</a>

%Y Cf. A336351.

%K nonn,more

%O 3,7

%A _Fausto A. C. Cariboni_, Nov 02 2020