122920642

Appears in sequences

• Tenth convolution of Schroeder's (second problem) numbers A001003(n), n>=0.at n=10A111998
• a(n) = Sum_{i=0..n} (2^(i)*(-1)^(i+n)*C(n,i)*C(2*n+i-1,n-1)).at n=9A259554