[seqfan] Two-fold symmetry sequence
frederick.william.schneider at gmail.com
Mon Dec 29 20:28:33 CET 2008
I tried to find but didn't see the number of distinct 2-fold symmetric
shapes that can be made from n squares.
Starting from n=1 : 1,1,1,3,3,6
Here's an image explaining what I mean:
Has anyone seen a similar sequence? If not, I'll try to extend this at
least a few terms out.
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