pi function(n)

Input

π(n)

Plot

Plot
Plot

Values

n | 1 | 2 | 3 | 4 | 5
π(n) | 0 | 1 | 2 | 2 | 3

Global minima

min{π(n)} = 0 for n<2

Limit

lim_(n->-∞) π(n) = 0