login
A081153
Number of odd cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164.
3
0, 0, 0, 0, 0, 2, 0, 6, 0, 18, 0, 50, 0, 142, 0, 388, 0, 1114, 0
OFFSET
0,6
FORMULA
a(n) = A081148(n)-A081155(n).
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved