-120175

Appears in sequences

• Expansion of Product_{k>=1} (1 - x^k)^23.at n=9A010829
• Triangle read by rows: T(n,m) = (m/(n-m))*Sum_{k=1..n-m}((-1)^k*binomial(m-1,k-1)*binomial(3*(n-m)-k-1,n-m-k)), T(n,n)=1.at n=45A271460