%I #14 Sep 13 2021 22:20:57
%S 1,2,3,8,19,44,111,282,721,1880,4953,13152
%N Number of Baxter matrices of size n X (n+1) with two 1's in each row.
%Y Cf. A347679.
%K nonn,more
%O 1,2
%A _Don Knuth_, Sep 11 2021
