198926

Appears in sequences

• a(n) = Sum_{k=0..floor(n/2)} binomial(n-k, k-1)*2^(n-k-1)*(3/2)^(k-1).at n=13A099583
• Eigentriangle of triangle A022167: T(n,k) = A022167(n,k) * A125813(k).at n=30A143777