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%I #4 Mar 30 2012 16:50:30
%S 0,0,2,26,242,2090,17028,135192,1052482,8090534,61600242,465672902,
%T 3500492506,26194710582,195292190860,1451475017832,10759514011692,
%U 79578500716274,587419268130996,4328676402587912,31849540056873120
%N Series expansion for second area weighted moment of osculating polygons on square lattice.
%H I. Jensen, <a href="/A121768/b121768.txt">Table of n, a(n) for n = 1..41</a> (from link below)
%H I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/polygons/series/square.area_mom2.osculating.ser">More terms</a>
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Aug 30 2006
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