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A046724 Number of semi-meanders of order n with 5 components. 0
1, 5, 24, 104, 438, 1796, 7238, 28848, 113518, 444278 (list; graph; refs; listen; history; internal format)
OFFSET

5,2

LINKS

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

CROSSREFS

Cf. A000682.

Sequence in context: A078820 A179417 A181305 * A008464 A063001 A000953

Adjacent sequences:  A046721 A046722 A046723 * A046725 A046726 A046727

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 14 05:09 EST 2012. Contains 205570 sequences.