61122600

Appears in sequences

• Consider Pascal's triangle A007318; a(n) = product of terms at +45 degrees slope with the horizontal.at n=12A073617
• a(n) = v(n)/A000178(n), v = A093883 and A000178 = (superfactorials).at n=5A203469
• a(n) = Product_{k=0..n} binomial(2*n - k, k).at n=6A296590
• Number of ordered set partitions of [n] where the maximal block size equals two.at n=8A320758