51997111

Properties

Appears in sequences

• a(n) = ((n+1)^2*(n-1)*a(n-1)+(-1)^(n+1))/n.at n=6A074702
• a(n) is the numerator of Sum_{k=0..n} (-1)^k / (k!)^2.at n=8A354304
• Prime numbersat n=3113698