-6618

Appears in sequences

• G.f.: 1/(1+2*x-9*x^2-10*x^3+5*x^4).at n=7A124024
• Triangle read by rows: T(n,k) is the coefficient A_k in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} A_k*(x+2)^k.at n=37A246788