290976

Appears in sequences

• Number of asymmetric (identity) trees with n nodes and 6 leaves.at n=16A055337
• Number of permutations of floor(i*9/8), i=0..n-1, with all sums of 6 adjacent terms unique.at n=8A152387
• Square array A(n,k), n >= 1, k >= 1, read by antidiagonals downwards, where A(n,k) = n! * k! * [x^n * y^k] (1/2) * (1 / (1 - log(1-x) * log(1-y))^2 - 1).at n=40A382801