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A046725 Number of semi-meanders of order n with 6 components. +0
1
1, 6, 32, 152, 690, 3028, 12996, 54812, 228284 (list; graph; listen)
OFFSET

6,2
LINKS

P. Di Francesco, O. Golinelli and E. Guitter, Meander, folding and arch statistics.

CROSSREFS

Cf. A000682.

Sequence in context: A130410 A027217 A121333 this_sequence A006668 A037530 A083320

Adjacent sequences: A046722 A046723 A046724 this_sequence A046726 A046727 A046728

KEYWORD

nonn

AUTHOR

njas

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Last modified September 7 12:28 EDT 2008. Contains 143483 sequences.

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