164672domain: NAppears in sequencesn*(n-1)*(n^2-n+4)/6.at n=32A103290Triangle T, read by rows, where row n+1 of T = row n of T^(-n) with appended '1' for n>=0 with T(0,0)=1.at n=28A132690Column 0 of triangle A132690.at n=7A132691