882340

Appears in sequences

• Number of permutations of 1..n arranged in a circle with exactly 4 adjacent element pairs in decreasing order.at n=6A151577
• Number of permutations of 1..n arranged in a circle with exactly 6 adjacent element pairs in decreasing order.at n=4A151579
• Triangular sequence defined by T(n, m) = Coefficients(q(x,n) + x^(n-2)*q(1/x,n))/4, where q(x, n) = d^2*P(x, n)/dx^2 and p(x, n)=(x-1)^(n+1)*Sum_{k>=0} ((-1)^(n + 1)*k^n)*x^(k-1).at n=24A154702
• Triangle read by rows: T(n,k) is the number of permutations of 1..n arranged in a circle with exactly k descents.at n=59A334218
• Triangle read by rows: T(n,k) is the number of permutations of 1..n arranged in a circle with exactly k descents.at n=61A334218