3706560domain: 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=18A061031a(n) = (n^2+n^3)*(binomial(2*n,n))/2.at n=8A119582Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of y.at n=21A355190