793542167

Appears in sequences

• a(n) = binomial(n^2 + 3*n, n) / (n+1)^2.at n=8A182316
• Number of symmetric 11-ary factorizations of the n-cycle (1,2...n).at n=16A192893
• a(n) = binomial(11*n+1,n)/(11*n+1).at n=8A230388