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%I #6 Jun 30 2022 12:46:22
%S 1,1,1,3,2,3,3,3,2,8,3,6,7,8,3,11,4,10,10,7,3,21,6,10,9,16,5,24,6,17,
%T 12,12,12,29,7,14,15,26,7,34,8,21,22,15,8,45,12,22,17,26,9,35,16,37,
%U 20,20,10,63,11
%N Number of distinct permanents of n X n circulant (0,1)-matrices with 3 ones per row.
%H Giovanni Resta and Giovanni Sburlati, <a href="https://doi.org/10.1016/S0024-3795(03)00649-9">On the number of different permanents of some sparse (0,1)-circulant matrices</a>, Linear Algebra and its Applications, Vol. 375 (2003), pp. 197-209.
%K nonn
%O 3,4
%A _Giovanni Resta_, Feb 14 2006
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