81016

Appears in sequences

• a(n) = floor(n*(n-1)*(n-2)*(n-3)/30).at n=41A011940
• Denominator of sum of reciprocals of first n 5-simplex numbers A000389.at n=36A118432
• a(n) = n*(n + 11)*(n + 22)*(n + 33)*(n + 44)/120.at n=8A264450