271206

Appears in sequences

• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n and having k LDU's (n >= 0; 0 <= k <= floor((n-1)/3) for n >= 1).at n=23A128735
• Expansion of e.g.f. log(1 - (1/3)*log(1-3*x)).at n=7A363116