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A081157
Number of even cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164.
5
0, 0, 0, 0, 0, 2, 8, 20, 60, 148, 402, 986, 2474, 5918, 14496, 34708, 84282, 202664, 492048
OFFSET
0,6
CROSSREFS
KEYWORD
nonn,more
AUTHOR
STATUS
approved