222681

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w > (geometric mean of x,y,z).at n=25A212144
• a(n) = Sum_{k=0..n-1} binomial(3*k+1,k) * binomial(3*n-3*k,n-k-1).at n=7A386617