464899

Appears in sequences

• Denominator of Product_{ 2 <= p < 2*n } (2*n - p)/p.at n=24A084763
• a(n) = denominator(b(n)), where b(0) = b(1) = 1 and b(n) = n*b(n-1)/b(n-2) for n >= 1.at n=45A329813