-77175domain: ZAppears in sequencesRevert transform of x*(1 + 2*x)/(1 + 3*x + x^2).at n=21A049122Generalized Stirling number triangle of first kind.at n=17A051186Triangle of coefficients of polynomials P(n,t) related to the Mittag-Leffler function, where P(n,t) = Product_{k=0..n-2} n*t-k.at n=24A251592