Specifically, the IR2 formula is an infinite recursive formula, which is defined as follows:
IR2(n)= {[n *(v+ 1)]+[n *(V+2)]}+IR2(IR2(n- 1))
Where n is a non-negative integer and v is a variable, usually set to 1.
The meaning of this formula is to calculate the sum of n times (V+ 1) and n times (V+2) for any non-negative integer n, and then add IR2(IR2(n- 1)) to the result. This process will continue recursively until n equals 0.
In animation, IR2 formula is used to describe chaos in virtual world, and its output result is regarded as a mysterious "chaos number", which can be used to explain and deal with various abnormal phenomena in virtual world.
It should be noted that the IR2 formula is a fictional concept and has no practical mathematical significance in the real world.