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A001997
Different shapes formed by bending a piece of wire of length n in the plane.
(Formerly M1206 N0465)
+0
6
1, 1, 2, 4, 10, 24, 66, 176, 493, 1362, 3821, 10660, 29864, 83329, 232702, 648182, 1804901, 5015725, 13931755, 38635673, 107090666, 296449133, 820271143, 2267225157, 6264244414, 17291930470
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Maintained by
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njas@research.att.com
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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
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