813724domain: NAppears in sequencesNumber of 5Xn 0..1 arrays avoiding 0 0 0 and 0 1 1 horizontally and 0 0 1 and 1 0 0 vertically.at n=8A207502Number of Latin squares of order 2n with maximum inner distance with fixed entry 1 in cell (1,1).at n=29A350453