1004306688

Appears in sequences

• a(n) = n-th quintic factorial number divided by 2.at n=7A034323
• a(n) = (n+1)*a(n-5), with a(0)=a(1)=a(2)=a(3)=a(4)=1.at n=36A081408
• a(n) = n! * [x^n] 1/(1 - 5*x)^(n/5).at n=7A303488