2203319

Appears in sequences

• a(n) = n*a(n-1) + (n-5)*a(n-2).at n=8A001910
• Apéry-like numbers for the constant e: a(n) = 1/(n-1)!*Sum_{k = 0..n+1} (-1)^k*C(n+1,k)*(2*n-k)! for n >= 1.at n=6A143413