-29070

Appears in sequences

• Series reversion of x + x^2 + x^3 + x^4 + x^5.at n=15A217365
• 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=46A271460