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A192927
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Number of meanders of order n, with 1-1 cut.
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3
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0, 0, 4, 24, 152, 1056, 7884, 62336, 516060, 4435888, 39338456, 358164768, 3335087752, 31663393880, 305740631660, 2996450625216, 29756512979124, 298991371001192, 3036071594865808, 31123847225593944, 321822051245586716, 3353854189297573504, 35203483037473883368, 371948773494408980616, 3953755503217954761364
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listen;
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OFFSET
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1,3
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REFERENCES
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S. K. Lando and A. K. Zvonkin, Plane and projective meanders, Séries Formelles et Combinatoire Algebrique. Laboratoire Bordelais de Recherche Informatique, Universite Bordeaux I, 1991, pp. 287-303.
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LINKS
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A. Panayotopoulos and P. Vlamos, Cutting Degree of Meanders, Artificial Intelligence Applications and Innovations, IFIP Advances in Information and Communication Technology, Volume 382, 2012, pp 480-489; DOI 10.1007/978-3-642-33412-2_49. - From N. J. A. Sloane, Dec 29 2012
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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