Numbers of edges of polygons constructible with ruler and compass.
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85
3 seqfan posts
Tue May 19 22:54:17 CEST 2009 [seqfan] Re: Why A160251 != A003401, A160259 != A004169 ?
Tue May 19 22:44:56 CEST 2009 [seqfan] Re: Why A160251 != A003401, A160259 != A004169 ?
Mon May 18 22:54:05 CEST 2009 [seqfan] Why A160251 != A003401, A160259 != A004169 ?
Index of A-numbers in seqfan: by ascending order
by month
by frequency
by keyword
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