OFFSET
1,3
LINKS
Matthias Koch and Sascha Kurz, Enumeration of generalized polyominoes, arXiv:math.CO/0605144
S. Kurz, k-polyominoes.
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Sascha Kurz, Feb 07 2005
EXTENSIONS
More terms from Sascha Kurz, Jun 09 2006
STATUS
approved