510048

Appears in sequences

• Fibonacci sequence beginning 0, 11.at n=24A022345
• Triangle T(n,k) (n >= 2, 2 <= k <= n-1 if n > 2) giving number of non-crossing trees with n nodes and k endpoints.at n=40A072247
• Greater of friendly pairs where both terms belong to A014574.at n=16A216058
• a(n) = 12*binomial(n, 5).at n=24A300847
• Number of even divisors of n!.at n=26A337257
• a(n) = 2*n*binomial(n, 4).at n=23A391978