login
A347736
Number of Baxter matrices of size n X (n+1) with two 1's in each row.
1
1, 2, 3, 8, 19, 44, 111, 282, 721, 1880, 4953, 13152
OFFSET
1,2
CROSSREFS
Cf. A347679.
Sequence in context: A041205 A002356 A166302 * A100342 A041281 A078343
KEYWORD
nonn,more
AUTHOR
Don Knuth, Sep 11 2021
STATUS
approved