A334174 Numbers that can be written as a product of two or more consecutive factorial numbers.
1, 2, 12, 144, 288, 2880, 17280, 34560, 86400, 2073600, 3628800, 12441600, 24883200, 203212800, 435456000, 10450944000, 14631321600, 62705664000, 125411328000, 146313216000, 1316818944000, 17557585920000, 73741860864000, 144850083840000, 421382062080000
Offset: 1
Keywords
Examples
1 = 0! * 1!; 2 = 1! * 2!; 12 = 2! * 3!; 144 = 3! * 4!; 288 = 2! * 3! * 4!.
Links
- David A. Corneth, Table of n, a(n) for n = 1..1803 (terms < 10^1000)
- Eric Weisstein's World of Mathematics, Factorial Products
- Index entries for sequences related to factorial numbers