84158

Appears in sequences

• E.g.f.: 2*exp(x)/(1-x)^3.at n=6A001340
• Binomial triangle based on factorials.at n=42A076571
• a(n) = 100*n^2 + 2*n.at n=28A158127
• Square 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=34A276588
• Transpose of A276588.at n=29A276589