155357384

Appears in sequences

• Fifth diagonal of second-order Eulerian triangle A008517. Fifth column (m=4) of triangle A112007.at n=5A112485
• Row reversed version of triangle A201637 (second-order Eulerian triangle).at n=60A288874
• Number of permutations of the multiset {1,1,2,2,...,2n,2n} having exactly n ascents and no number smaller than k between the two occurrences of any number k.at n=5A290306