34708

Appears in sequences

• 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.at n=15A081157
• Number of even cycles in range [A014137(2n)..A014138(2n)] of permutation A057505/A057506, with no fixed points of either A057163 or A057164.at n=7A081159
• Let M(n) be the n X n matrix m(i,j)=min(i,j) for 1<=i,j<=n; then a(n) is the trace of M(n)^(-7).at n=11A114359
• Number of cycles in range [A000302(n-1)..A024036(n)] of permutation A163355/A163356.at n=10A163910
• Number of tatami tilings of a 6 X n grid (with monomers allowed).at n=14A192092
• Number of partitions of n for which 2*(number of distinct parts) <= (number of parts).at n=42A237363
• G.f. satisfies A(x) = 1/(1 - x) + x/A(x)^2.at n=7A366357