A338564 Number of cyclic arrangements of {1..n} such that any three neighbors satisfy the triangle inequality.

1, 0, 1, 0, 0, 1, 2, 17, 51, 175, 827, 3951, 20428, 115262, 692851, 4324011, 29446302, 211048631, 1623253741, 13109205113

Offset: 3

Author

Fausto A. C. Cariboni, Nov 02 2020

Keywords

• nonn
• more

Comments

Reversals of these circular permutations are not counted as different.

Links

• Fausto A. C. Cariboni, Complete solutions for a(3)-a(11)

Crossrefs

Cf. A336351.