493200

Appears in sequences

• a(n) = (n!/2) * Sum_{k=0..n-2} 1/k!.at n=9A038155
• Triangle T(n,k) read by rows, where e.g.f. for T(n,k) is exp((1+y)*x)/(1-x).at n=47A073107
• Number of 0..n arrays x(0..4) of 5 elements without any two consecutive increases.at n=13A200787
• Triangle read by rows: T(n, k) = e * binomial(n, k) * Gamma(k + 1, 1).at n=52A371686