29568000domain: NAppears in sequencesFactorial splitting: write n! = x*y*z with x<y<z and x maximal and z is minimal; sequence gives value of y.at n=20A061031Molecular topological indices of the square graphs.at n=20A192839Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of y.at n=23A355190