login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A341848
Number of maximal matchings in the 3 X n rook graph.
4
1, 3, 10, 84, 852, 11580, 197640, 4314240, 100855440, 3342895920, 98070406560, 4652556511680, 163444377096000, 10568979882901440, 431650452829115520, 36599310178253222400, 1702185892636880851200, 183500657952824967955200, 9569677207227878912371200
OFFSET
0,2
LINKS
CROSSREFS
Row n=3 of A341847.
Sequence in context: A320258 A136554 A359970 * A136505 A006311 A344657
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 21 2021
STATUS
approved