197226

Appears in sequences

• Triangle read by rows: T(n,k) is the number of Dyck paths of semilength n having k ascents of length 2 starting at an even level (0<=k<=floor(n/2)).at n=49A114462
• Number of Dyck paths of semilength n having no ascents of length 2 that start at an even level.at n=13A114464