OFFSET
0,2
COMMENTS
The old entry with this A-number was a duplicate of A070844.
LINKS
Iwan Jensen, Table of n, a(n) for n = 0..117 [Data from web page]
Iwan Jensen, Polygon enumerations.
Iwan Jensen and Andrew Rechnitzer, The exact perimeter generating function for a model of punctured staircase polygons, J. Phys. A: Math. Theor. 41 (2008) 215002, Table 1.
CROSSREFS
KEYWORD
nonn
AUTHOR
Olivier Gérard, Feb 14 2009, based on data from the web site of Iwan Jensen.
STATUS
approved