login
A264743
Number of colorings of an n X n grid with at most five interchangeable colors under rotational and reflectional symmetry.
2
1, 1, 7, 2507, 159474576, 310449924192274, 15158246594803814603992, 18503717079578845504700363135614, 564688631502902660289311507800712928484099, 430823235704701918614551410484249550325198643935836342
OFFSET
0,3
REFERENCES
F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973.
CROSSREFS
Sequence in context: A067504 A203382 A249352 * A210405 A203705 A354027
KEYWORD
nonn
AUTHOR
Marko Riedel, Nov 22 2015
STATUS
approved