login
A270247
Number of matchings in the n X n torus grid graph C_n X C_n.
2
1, 7, 370, 41025, 15637256, 23079663560, 127193770624285, 2645142169931308801, 206932904585998805434690, 60953421285412135689567940992, 67583556205239600880061198746186383, 282092296203355454009618109524478429807744
OFFSET
1,2
COMMENTS
C_{n} X C_{n} is also known as the (n,n)-torus grid graph.
LINKS
Eric Weisstein's World of Mathematics, Matching.
Eric Weisstein's World of Mathematics, Torus Grid Graph.
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Mar 13 2016
STATUS
approved