Factorial splitting: write n! = x*y*z with x<y<z and x maximal and z is minimal; sequence gives value of y.
A061031
Factorial splitting: write n! = x*y*z with x<y<z and x maximal and z is minimal; sequence gives value of y.
Terms
- a(0) =2a(1) =3a(2) =5a(3) =9a(4) =16a(5) =35a(6) =70a(7) =150a(8) =336a(9) =770a(10) =1848a(11) =4455a(12) =10920a(13) =27648a(14) =70720a(15) =185895a(16) =496125a(17) =1344000a(18) =3706560a(19) =10395840a(20) =29568000a(21) =85299200a(22) =249356800a(23) =738840960a(24) =2216522880a(25) =6730407936a(26) =20678434920a(27) =64248260076a(28) =201838500864
External references
- oeis: A061031