7219974domain: NAppears in sequencesExpansion of e.g.f. 6*exp(x)/(1-x)^4.at n=7A001341Square array A(row,col) = Sum_{k=0..row} binomial(row,k)*(1+col+k)!, read by descending antidiagonals as A(0,0), A(0,1), A(1,0), A(0,2), A(1,1), A(2,0), ...at n=52A276588Transpose of A276588.at n=47A276589