The On-Line Encyclopedia of Integer Sequences (OEIS)

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A046724

Number of semi-meanders of order n with 5 components.
(history; published version)

#12 by Jon E. Schoenfield at Sat Mar 07 21:28:35 EST 2020

STATUS

editing

approved

#11 by Jon E. Schoenfield at Sat Mar 07 21:28:32 EST 2020

AUTHOR

N. J. A. Sloane.

STATUS

approved

editing

#10 by Joerg Arndt at Mon Dec 07 13:14:14 EST 2015

STATUS

proposed

approved

#9 by Michel Marcus at Mon Dec 07 12:33:46 EST 2015

STATUS

editing

proposed

#8 by Michel Marcus at Mon Dec 07 12:33:40 EST 2015

LINKS

P. Di Francesco, O. Golinelli and E. Guitter, <a href="http://arXiv.org/abs/hep-th/9506030">Meander, folding and arch statistics.</a>, arXiv:hep-th/9506030, 1995.

STATUS

proposed

editing

#7 by Andrew Howroyd at Mon Dec 07 12:24:34 EST 2015

STATUS

editing

proposed

#6 by Andrew Howroyd at Mon Dec 07 12:20:13 EST 2015

DATA

1, 5, 24, 104, 438, 1796, 7238, 28848, 113518, 444278, 1720384, 6643492, 25421620, 97136712, 368280210, 1395104236, 5250325378, 19746342212, 73863421894, 276113486146, 1027609657470, 3821478801772, 14161346139866, 52428406903688, 193568833452364, 713860635606784

LINKS

Andrew Howroyd, <a href="/A046724/b046724.txt">Table of n, a(n) for n = 5..40</a>

CROSSREFS

Cf. A000682, A046726.

EXTENSIONS

a(15)-a(40) from Andrew Howroyd, Dec 07 2015

STATUS

approved

editing

#5 by Russ Cox at Fri Mar 30 16:48:23 EDT 2012

AUTHOR

_N. J. A. Sloane (njas(AT)research.att.com)_.

Discussion

Fri Mar 30

16:48

OEIS Server: https://oeis.org/edit/global/110

#4 by N. J. A. Sloane at Fri Feb 27 03:00:00 EST 2009

KEYWORD

nonn,new

nonn

AUTHOR

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

#3 by N. J. A. Sloane at Sat Jun 12 03:00:00 EDT 2004

NAME

SemiNumber of semi-meanders of order n with 5 components.

KEYWORD

nonn,new

nonn