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A000940 Number of n-gons.
(Formerly M1260 N0482)
+0
5
1, 2, 4, 12, 39, 202, 1219, 9468, 83435, 836017, 9223092, 111255228, 1453132944, 20433309147, 307690667072, 4940118795869, 84241805734539, 1520564059349452, 28963120073957838, 580578894859915650, 12217399235411398127, 269291841184184374868, 6204484017822892034404 (list; graph; listen)
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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