Go to this Columbus Underground thread and post your detailed suggestion for bike rack locations. Since Mayor Coleman is asking for suggestions, it will have to be within City of Columbus city limits. From Walker’s post:
Advice is needed specifically for areas in and around Downtown, including the Short North, the University District, Brewery District, Near East Side, and Franklinton.
I hope these get installed quickly, it is great to see public suggestions are being taken. (hat tip to Walker Evans.)