The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A003449 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A003449

Number of nonequivalent dissections of an n-gon into n-3 polygons by nonintersecting diagonals up to rotation and reflection.
(history; published version)

#42 by Michael De Vlieger at Wed Nov 29 06:58:41 EST 2023

STATUS

reviewed

approved

#41 by Joerg Arndt at Wed Nov 29 05:21:39 EST 2023

STATUS

proposed

reviewed

#40 by Michel Marcus at Wed Nov 29 00:47:07 EST 2023

STATUS

editing

proposed

#39 by Michel Marcus at Wed Nov 29 00:47:02 EST 2023

LINKS

D. Bowman and A. Regev, <a href="http://arxiv.org/abs/1209.6270">Counting symmetry classes of dissections of a convex regular polygon</a>, arXiv:1209.6270, [math.CO], 2012.

STATUS

approved

editing

#38 by Joerg Arndt at Thu Jan 19 02:04:45 EST 2023

STATUS

reviewed

approved

#37 by Michel Marcus at Thu Jan 19 01:26:55 EST 2023

STATUS

proposed

reviewed

#36 by Jon E. Schoenfield at Thu Jan 19 01:26:29 EST 2023

STATUS

editing

proposed

#35 by Jon E. Schoenfield at Thu Jan 19 01:26:22 EST 2023

COMMENTS

In other word, words, the number of almost-triangulations of an n-gon modulo the dihedral action.

STATUS

approved

editing

#34 by N. J. A. Sloane at Tue Jan 19 11:48:00 EST 2021

LINKS

Ronald C. R. Read, <a href="http://dx.doi.org/10.1007/BF03031688">On general dissections of a polygon</a>, Aequat. math. 18 (1978) 370-388.

Discussion

Tue Jan 19

11:48

OEIS Server: https://oeis.org/edit/global/2884

#33 by Alois P. Heinz at Thu Dec 14 05:36:46 EST 2017

STATUS

proposed

approved