143365

Appears in sequences

• Number of directed animals of size n (or directed n-ominoes in standard position).at n=13A005773
• Triangle read by rows: T(n,k) = the number of Dyck paths of semilength n with k DUUU's.at n=31A135308
• Transform of C(n+1,floor((n+1)/2)) by A178112.at n=24A178113
• Number of valid hook configurations of permutations of [n] that avoid the patterns 231 and 1243.at n=14A307789