A095239 Analog of A095236 when the phones are arranged in a circle.

1, 2, 6, 8, 40, 96, 168, 384, 1728, 15360, 50688, 221184, 299520, 1290240, 3628800, 30965760, 65802240, 743178240, 7060193280, 237817036800, 624269721600, 5231974809600, 28716407193600, 479439146188800

Offset: 1

Author

Neil Fernandez, Jul 03 2004

Keywords

• nonn

Links

• Max Alekseyev, Table of n, a(n) for n = 1..100
• Max A. Alekseyev, Enumeration of Payphone Permutations, arXiv:2304.04324 [math.CO], 2023.

Crossrefs

Cf. A095236, A095240.

Extensions

Corrected and extended by Don Reble, Jul 04 2004