OFFSET
0,7
COMMENTS
REFERENCES
Guttmann, A. J., and A. R. Conway. "Hexagonal lattice directed site animals." Series on advances in statistical mechanics, 14.1 (1999): 491-504.
LINKS
A. J., Guttmann and A. R. Conway, Hexagonal lattice directed site animals, preprint, 1999.
EXAMPLE
Triangle begins:
1,
1,
1,1,1,
1,2,4,2,0,1,
1,3,4,10,12,14,16,13,14,7,6,4,0,1,
1,4,8,22,37,56,88,98,137,118,145,113,104,79,50,40,17,10,6,0,1
...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
N. J. A. Sloane, Jan 13 2020
EXTENSIONS
Name edited by Andrey Zabolotskiy, Jun 21 2022
STATUS
approved