login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A173411 Number of three-choice polygons by half-perimeter 0

%I

%S 4,12,42,152,562,2108,7986,30476,116950,450756,1743470,6763152,

%T 26299104,102478208,400032822,1563985172,6122945694,23999991452,

%U 94173327894,369881810616,1454036828992,5720448937528,22521468585822,88725551176384

%N Number of three-choice polygons by half-perimeter

%C Generating function is the solution of a Fuchsian ODE of order 8.

%D A. R. Conway, A. J. Guttmann and M. Delest, Math. Comput. Modelling, 26 (1997), 51-58.

%D A. J. Guttmann and I. Jensen. Sem. Lothar. Combin., 54 (2006), B54c (14pp).

%K nonn

%O 2,1

%A Iwan Jensen (I.Jensen(AT)ms.unimelb.edu.au), Feb 17 2010

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 12 15:02 EDT 2022. Contains 356077 sequences. (Running on oeis4.)