201210

Appears in sequences

• a(n) = n * Fibonacci(n) - Sum_{i=0..n} Fibonacci(i).at n=21A122491
• Triangle read by rows: T(n,k) is the number of skew Dyck paths of semilength n having k LD's (n>=0; 0<=k<=floor((n-1)/2)).at n=32A128733