3872960

Appears in sequences

• First column of the array A092077 ((8,2)-Stirling2).at n=3A091546
• Generalized Stirling2 array (8,2).at n=9A092077
• a(n) = (2n)!/(a(n-1)*a(n-2)), where a(0)=1, a(1) = 1.at n=10A372991