1375456domain: NAppears in sequencesTriangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^p) = p*(column p+4 of T), or [T^p](m,0) = p*T(p+m,p+4) for all m>=1 and p>=-4.at n=47A111553Column 2 of triangle A111553.at n=7A111555