A081160 Number of even cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506, with two fixed-points of A057164.
0, 0, 1, 1, 3, 4, 10, 16, 35, 60, 126, 225, 462, 848, 1716, 3188, 6435, 12095, 24310
Offset: 0
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