p=pi(100)
t(0)
t(1)
t(-1)
t(2)
t(-2)
t(3)
t(-3)
t(p)
t(-p)
t(p/2)
t(-p/2)
t(p/3)
t(-p/3)
t(p/4)
t(-p/4)
t(p/5)
t(-p/5)
t(p/6)
t(-p/6)
t(p/7)
t(-p/7)
t(p/8)
t(-p/8)
t(p/9)
t(-p/9)
t(p/10)
t(-p/10)
t(p/15)
t(-p/15)
