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A057507
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A057505/A057506.
14
1, 1, 1, 2, 3, 10, 18, 46, 95, 236, 528, 1288, 2936, 6984, 16212, 38528, 90717, 216648, 516358, 1240818, 2979992
OFFSET
0,4
COMMENTS
For the convenience of the range notation above, we define A014137(-1) and A014138(-1) as zero.
CROSSREFS
a(n) = A081148(n)+A081150(n). Bisections: A081151, A081167. Cf. A057545, A060114, A081164.
Occurs for first time in A073201 as row 2614.
Sequence in context: A070253 A147673 A298345 * A233895 A163467 A143045
KEYWORD
nonn,more
AUTHOR
Antti Karttunen, Sep 03 2000
STATUS
approved