427987

Appears in sequences

• Character of extremal vertex operator algebra of rank 35/2.at n=5A028540
• Triangle T(n,k) read by rows: T(n,1) = T(n,n)=1, otherwise T(n,k) = (3n-3k+1)*T(n-1,k-1) + k*(3k-2)*T(n-1,k), 1<=k<=n.at n=29A166962