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Search: id:A006662
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| A006662 |
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Number of meanders in which first bridge is 7.
(Formerly M4921)
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+0
1
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| 14, 14, 36, 57, 155, 316, 902, 2053, 6059, 14810, 44842, 115009
(list; graph; listen)
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OFFSET
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3,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
S. K. Lando and A. K. Zvonkin "Plane and projective meanders", S\'{e}ries Formelles et Combinatoire Alg\'{e}brique. Laboratoire Bordelais de Recherche Informatique, Universit\'{e} Bordeaux I, 1991, pp. 287-303.
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CROSSREFS
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Sequence in context: A099203 A040183 A022348 this_sequence A135820 A165835 A134913
Adjacent sequences: A006659 A006660 A006661 this_sequence A006663 A006664 A006665
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KEYWORD
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nonn
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AUTHOR
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Simon Plouffe (simon.plouffe(AT)gmail.com)
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