A109100 Numbers n such that n! is the product of exactly 2 smaller factorials (greater than 1).

10, 16, 24, 48, 96, 144, 192, 288, 384, 720, 768, 864, 1440, 1536, 1728, 3072, 4320, 5184, 6144, 8640, 10368, 12288, 24576, 25920, 31104, 40320, 49152, 51840, 62208, 80640, 86400, 98304

Offset: 1

Author

Jud McCranie, Jun 19 2005

Keywords

• nonn

Examples

			10! = 3! * 5! * 7! = 6! * 7!, so 10 is in the sequence.
		

Crossrefs

Cf. A034878, A001013, A003135, A058295, A075082, A109095, A109096, A109097, A109098, A109100, A109101, A109102, A109103.