Concerning the secondary question who designed the pattern:
The tiled floor in LaGuardia terminal B was designed by HOK and installed by Consolidated Flooring. They received an award for this. The description does not mention any math connection:
The design draws on the architecture, history, and geography of New York city. The flooring was used masterfully to accentuate the design elements, encourage traffic flow, and hide heavy traffic wear throughout the grand space.
