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A341852
Number of perfect matchings in the 4 X n rook graph.
2
1, 3, 16, 132, 2016, 44928, 1551744, 68542848, 4211122176, 309852407808, 29839376553984, 3304540891072512, 460231661327007744, 71669823905083834368, 13644939814369185890304, 2845529932444144841981952, 710399582113730769218174976, 191237460565395319832268767232
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 0..50
CROSSREFS
Row n=4 of A341850.
Sequence in context: A051921 A023998 A241464 * A141628 A048802 A213357
Adjacent sequences: A341849 A341850 A341851 * A341853 A341854 A341855
KEYWORD
nonn
AUTHOR
Andrew Howroyd, Feb 21 2021
STATUS
approved

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Last modified September 28 19:06 EDT 2024. Contains 376297 sequences.
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