106587

Appears in sequences

• Number of Dyck paths of semilength n+4, having exactly two long ascents (i.e., ascents of length at least two).at n=9A091135
• Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n, having k long ascents (i.e., ascents of length at least 2). Rows are of length 1,1,2,2,3,3,... .at n=51A091156