43110144

Appears in sequences

• 6-idempotent numbers.at n=6A050988
• a(n) = binomial(2*n,n) * 6^n.at n=6A119309
• a(n) = binomial(2*n, n) * n^n.at n=6A367271
• a(n) = binomial(n, k) * (n - k)^k where k = floor(n/2).at n=12A367274