376473825domain: NAppears in sequencesTable of the number of ways T(m,n) to partition a 2m X 2n grid into Cartesian products of size 2 X 2, read by ascending antidiagonals.at n=17A373692Table of the number of ways T(m,n) to partition a 2m X 2n grid into Cartesian products of size 2 X 2, read by ascending antidiagonals.at n=18A373692