login
A357536
Number of colorings of an n X n grid with at most n interchangeable colors under rotational and reflectional symmetry.
4
1, 4, 490, 22396971, 310449924192274, 1790711048631786194374209, 6372121790133410693083324907292917240, 19460266334869242507206895620675207301301857505549306
OFFSET
1,2
REFERENCES
F. Harary and E. Palmer, Graphical Enumeration, Academic Press, 1973.
CROSSREFS
KEYWORD
nonn
AUTHOR
Marko Riedel, Oct 02 2022
STATUS
approved