150917976domain: NAppears in sequencesUnsigned Stirling numbers of first kind s(n,3).at n=9A000399Largest unsigned Stirling number of the first kind: max_k(s(n+1,k)); i.e., largest coefficient of polynomial x*(x+1)*(x+2)*(x+3)*...*(x+n).at n=11A065048a(n) = |Stirling1(4*n,n)|.at n=3A242676