3891712

Appears in sequences

• Expansion of e.g.f. x/(1+sin(x)).at n=11A108124
• Number of permutations of 1..n arranged in a circle with exactly 5 local maxima.at n=11A159713
• Number of fixed points in all cycle-up-down permutations of {1,2,...,n}.at n=11A186365
• Triangle read by rows: T(n,k) (n>=0, 0<=k<=floor(n/2)) is the number of permutations of n and k valleys (considered cyclically).at n=41A263789