69862

Appears in sequences

• Number of column-strict plane partitions of n.at n=19A005986
• Number of permutations of 2 copies of 1..n introduced in order 1..n with no element equal to another within a distance of 3.at n=8A190824
• Number of permutations of n copies of 1..8 introduced in order 1..8 with no element equal to another within a distance of 3.at n=1A190934
• Triangle read by rows: T(n,k) = number of linear chord diagrams with n chords such that every chord has length at least k (1 <= k <= n).at n=31A293157