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A006662 Number of meanders in which first bridge is 7.
(Formerly M4921)
+0
1
14, 14, 36, 57, 155, 316, 902, 2053, 6059, 14810, 44842, 115009 (list; graph; listen)
OFFSET

3,1

REFERENCES

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.

CROSSREFS

Sequence in context: A099203 A040183 A022348 this_sequence A135820 A134913 A004455

Adjacent sequences: A006659 A006660 A006661 this_sequence A006663 A006664 A006665

KEYWORD

nonn

AUTHOR

Simon Plouffe (plouffe(AT)math.uqam.ca)

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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