2565080

Appears in sequences

• Characteristic polynomials of Jacobi coordinates. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=48A298854
• Characteristic polynomials of Jacobi coordinates. Triangle read by rows, T(n, k) for 0 <= k <= n.at n=51A298854
• a(n)/n! is the expected number of left-to-right maxima in the lexicographical or colexicographical ordering of all the 3-subsets of [n] under a random permutation of [n], when the 3-subsets hold the worst order of ranks.at n=8A308860