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A095239 Analog of A095236 when the phones are arranged in a circle. 11
1, 2, 6, 8, 40, 96, 168, 384, 1728, 15360, 50688, 221184, 299520, 1290240, 3628800, 30965760, 65802240, 743178240, 7060193280, 237817036800, 624269721600, 5231974809600, 28716407193600, 479439146188800 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Max A. Alekseyev, Enumeration of Payphone Permutations, arXiv:2304.04324 [math.CO], 2023.
CROSSREFS
Sequence in context: A327271 A335111 A337882 * A192009 A065953 A371832
KEYWORD
nonn
AUTHOR
Neil Fernandez, Jul 03 2004
EXTENSIONS
Corrected and extended by Don Reble, Jul 04 2004
STATUS
approved

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Last modified April 23 05:59 EDT 2024. Contains 371906 sequences. (Running on oeis4.)