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Revision History for A262586

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Showing entries 1-10 | older changes
Square array T(n,m) (n>=0, m>=0) read by antidiagonals downwards giving number of rooted triangulations of type [n,m] up to orientation-preserving isomorphisms.
(history; published version)
#26 by N. J. A. Sloane at Wed Jul 31 11:24:41 EDT 2024
STATUS

proposed

approved

#25 by Andrey Zabolotskiy at Wed Jul 31 10:01:07 EDT 2024
STATUS

editing

proposed

#24 by Andrey Zabolotskiy at Wed Jul 31 09:59:29 EDT 2024
LINKS

L. March and C. F. Earl, <a href="https://doi.org/10.1068/b040057">On Counting Architectural Plans</a>, Environment and Planning B, 4 (1977), 57-80. See Table 2.

CROSSREFS

Antidiagonal sums are A341855.

STATUS

approved

editing

#23 by Susanna Cuyler at Sun Mar 29 09:33:16 EDT 2020
STATUS

proposed

approved

#22 by Jean-François Alcover at Sun Mar 29 03:14:41 EDT 2020
STATUS

editing

proposed

#21 by Jean-François Alcover at Sun Mar 29 03:14:06 EDT 2020
LINKS

Jean-François Alcover, <a href="/A262586/a262586.txt">Mathematica code</a>

MATHEMATICA

See LINKS section.

STATUS

approved

editing

#20 by R. J. Mathar at Wed Oct 21 04:54:57 EDT 2015
STATUS

editing

approved

#19 by R. J. Mathar at Wed Oct 21 04:54:50 EDT 2015
LINKS

W. G. Brown, <a href="/A002709/a002709.pdf">Enumeration of Triangulations of the Disk</a>, Proc. Lond. Math. Soc. s3-14 (1964) 746-768. [Annotated scanned copy]. See Table 1 (with a typo at G(2,n=1,m=6)).

#18 by R. J. Mathar at Wed Oct 21 04:54:21 EDT 2015
LINKS

W. G. Brown, <a href="/A002709/a002709.pdf">Enumeration of Triangulations of the Disk</a>, Proc. Lond. Math. Soc. s3-14 (1964) 746-768. [Annotated scanned copy]. See Table 1 (with a typo at G(2,6)).

STATUS

approved

editing

#17 by R. J. Mathar at Wed Oct 21 04:38:40 EDT 2015
STATUS

editing

approved