318704100

Appears in sequences

• Expansion of 1/(1-4*x)^(11/2).at n=9A020922
• a(n) = 4^n * binomial(3*n/2,n).at n=9A244038
• Denominators of first derivatives of Catalan numbers (as continuous functions of n).at n=25A260631
• Denominator of 2*Sum_{k=0..n} binomial(n,k)^2*binomial(n+k,k)^2*(H(n+k)-H(n-k)) where H(n) = Sum_{k=1..n} 1/k.at n=25A334887