14666470

Appears in sequences

• Ninth convolution of Schroeder's (second problem) numbers A001003(n), n>=0.at n=9A111997
• a(n) = Sum_{i=0..n} (2^(i)*(-1)^(i+n)*C(n,i)*C(2*n+i-1,n-1)).at n=8A259554