OFFSET
1,4
COMMENTS
Circular permutations are permutations whose indices are from the ring of integers modulo n.
EXAMPLE
For n=4 there is only (4-1)!-a(4) = 1 circular permutation with a consecutive triple i,i+d,i+2d. It is (0,1,2,3).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Isaac Lambert, Mar 15 2010
EXTENSIONS
a(1)-a(3) and a(10)-a(13) from Pontus von Brömssen, Feb 11 2024
STATUS
approved