-17640

Appears in sequences

• Triangle T(n,k) = k! * Stirling1(n,k), 1<=k<=n.at n=24A048594
• a(n) = a(n-1) - (n-1)*a(n-2), with a(0) = 1, a(1) = 2.at n=12A121966
• a(n) = n! * A129505(n) * (-1)^(n+1).at n=3A238685
• Triangle read by rows, numerators of coefficients (in rising powers) of rational polynomials P(n, x) such that Integral_{x=0..1} P'(n, x) = Bernoulli(n, 1).at n=52A290694
• Expansion of e.g.f. exp(x^2/(1+x)).at n=7A293120
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(x^(k+1)/(1+x)).at n=43A293133
• Matrix inverse of the rascal triangle (A077028), read across rows.at n=47A338291
• Triangle read by rows: T(n,k) = Sum_{j=0..k} (-1)^j * binomial(k,j) * (1-j)^n.at n=49A389570