Conic-Constructible Regular Polygons

[Antreas P. Hatzipolakis]

I wrote:

>Note also that the "Greek Sequence" (2^a * 3^b * 5^c; where:
>a = 0,1,2,3..., b,c in {0,1}, excluding the terms 1,2; that is:
>(a,b,c) =/= (0,0,0), (1,0,0)):
>3,4,5,6,8,10,12,15,16,20,24,30,32,40,48,60,64,80,96,120,144,160,.....
                                                         ^^^
                                                         128

Antreas