93429domain: NAppears in sequencesExpansion of 1/((1-x)(1-2x)(1-10x)(1-12x)).at n=4A021324Coefficient 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=49A182823