For fixed z and a=1, b>=a

For fixed z and a=1, b=1

For fixed z and a=1, b=5/4

For fixed z and a=1, b=7/4

For fixed z and a=1, b=2

For fixed z and a=1, b=9/4

For fixed z and a=1, b=11/4

For fixed z and a=1, b=3

For fixed z and a=1, b=13/4

For fixed z and a=1, b=15/4

For fixed z and a=1, b=4

For fixed z and a=1, b=17/4

For fixed z and a=1, b=19/4

For fixed z and a=1, b=5

For fixed z and a=1, b=21/4

For fixed z and a=1, b=23/4

For fixed z and a=1, b=6