A109096 Numbers n such that n! is the product of exactly three smaller factorials.

4, 10, 12, 16, 36, 48, 144, 240, 576, 720, 1440, 2880, 4320, 10080, 14400, 17280, 30240, 80640, 86400

Offset: 1

Author

Jud McCranie, Jun 19 2005

Keywords

• nonn

Examples

			144! = 3! * 4! * 143!, so 144 is in the sequence.
		

Crossrefs

Cf. A034878, A001013, A003135, A058295, A075082, A109095, A109097.

Extensions

Definition corrected by Jon E. Schoenfield, Jul 02 2010