(2,2)
(3,6)
(4,24)
(5,120)
(6,720)
(7,5040)
I input all of these points into my calculator and ran every working equation none of which fits the equation. These equations include: Linear(obviously not), quadratic (also obviously not), cubic, quartic, natural log, exponential and power regressions none of which seem to fit. Any ideas?
This is the Gamma Function, the continuous version of the factorial. http://en.wikipedia.org/wiki/Factorial#The_Gamma_and_Pi_functions