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Re: -- Packing unit circles in circles: new results
Posted:
May 8, 2012 9:36 PM
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Improved packings of unit circles in circles have recently been sent to
Packomania for N = 159, 160, 163, 169, 170, 173, 178, 183, 186-189, 191,
193, 194 and 198. Several of the latter are density-record packings, one
of which is presented below.
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N = 198
s = 15.391207855433359314380373734358...
419 contacts
<http://i403.photobucket.com/albums/pp113/DWCantrell_photos/Circ/c198c.gif>
According to Packomania, the best packing previously known has 406 contacts
and side length s = 15.39120785594...
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David W. Cantrell
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