94050domain: NAppears in sequencesTriangle of coefficients of n!*(1 - x)^n*L_n(x/(1 - x)), where L_n(x) is the Laguerre polynomial.at n=25A123202a(n) = (1/2)*(n^4 + 11*n^3 + 53*n^2 + 97*n + 54).at n=19A129026Antidiagonal sums of the convolution array A213844.at n=18A213846