A061030 Factorial splitting: write n! = x*y*z with x<y<z and x maximal; sequence gives value of x.

1, 2, 4, 8, 15, 32, 64, 144, 330, 768, 1800, 4368, 10800, 27300, 70560, 184800, 494208, 1343680, 3704400, 10388250, 29560960, 85250880, 249318000, 738720000, 2216160000, 6729074352, 20675655000, 64247758848, 201820667904

Offset

3,2

References

Luc Kumps, personal communication.

Links

Max Alekseyev, Table of n, a(n) for n = 3..100

Example

For n = 6, 6! = 720 = 8*9*10, so x=8, y=9, z=10.

Crossrefs

Cf. A061031, A061032, A061033, A060776, A060777, A060795, A060796, A200743, A200744

Sequence in context: A259805 A086125 A227236 * A036661 A145671 A316522

Adjacent sequences: A061027 A061028 A061029 * A061031 A061032 A061033

Keyword

nonn

Author

Ed Pegg Jr, May 25 2001

Extensions

a(10) and a(11) corrected and a(14)-a(31) from Donovan Johnson, May 11 2010

Status

approved