-6227020800
domain: Z
Appears in sequences
- Stirling numbers of first kind S1(14,n).at n=0A011524
- a(n) = (-1)^n * n!.at n=13A133942
- Triangular array read by rows: [T(n,k),k=1..tau(n)] = [-n!/(d*(-(n/d)!)^d), d|n].at n=40A182928
- E.g.f. log(1 + sin(arctan(x))).at n=14A191011
- E.g.f. 2*sqrt(3)/3*arctan(sqrt(3)*x/(x+2)).at n=13A194770
- a(1) = 1 and a(n) = Sum_{i=1..n-1} (-1)^i*i*a(i).at n=13A265376
- Hurwitz logarithm of natural numbers 1,2,3,4,5,...at n=14A302190
- Coefficient of p(y) / A056239(n)! in Product_{i >= 1} (1 + x_i), where p is power-sum symmetric functions and y is the integer partition with Heinz number n.at n=42A319191