66355200

Appears in sequences

• Coefficients for numerical integration.at n=3A006685
• Records in A114183.at n=31A222193
• a(n) is the denominator of Sum_{m=0..n}(Sum_{k=0..m} ((k+1)/(m-k+1)^2) * (Catalan(k)/(2^(2*k)))^2)*(Sum_{k=0..n-m} ((k+1)/(n-m-k+1)^2) * (Catalan(k)/(2^(2*k)))^2).at n=5A282196
• a(n) is twice the square of the product of the first n primes each decreased by one.at n=5A307124
• Product of the digits of 3^n.at n=26A358271