29560960domain: NAppears in sequencesFactorial splitting: write n! = x*y*z with x<y<z and x maximal; sequence gives value of x.at n=20A061030a(n) = 2^A006218(n)/( (n!)^2*Sum_{m=0..n} 1/(m!*(2*n-m+1)!) ).at n=9A178345Factorial splitting: write n! = x*y*z with x <= y <= z and minimal z-x; sequence gives value of x.at n=23A355189