-1138879

Appears in sequences

• a(n) = n*a(n-1) - (n-1)^2*a(n-2), a(0)=1, a(1)=1.at n=10A080171
• Coefficient array of orthogonal polynomials P(n,x)=(x-n)*P(n-1,x)-(n-1)^2*P(n-2,x), P(0,x)=1, P(1,x)=x-1.at n=55A182823