5722860

Appears in sequences

• a(n) = 12 * C(2n+1,n-5) / (n+7).at n=9A090749
• 10th column of Catalan triangle A009766.at n=11A124088
• a(n) = (1/n)*Sum_{k=1..n} k*binomial(n,k-1)*binomial(2*n,n-k).at n=9A262394