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A000684
Number of colored labeled n-node graphs with 2 interchangeable colors.
(Formerly M2954 N1192)
+0
1
1, 3, 13, 81, 721, 9153, 165313, 4244481, 154732801, 8005686273, 587435092993, 61116916981761, 9011561121239041, 1882834327457349633, 557257804202631217153, 233610656002563147038721, 138681207656726645785559041
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Maintained by
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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.
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