97800domain: NAppears in sequencesNumber of n-stacks with strictly receding walls, or the number of Type A partitions of n in the sense of Auluck (1951).at n=50A001522Expansion of 1 / Product_{k >= 1} (1-q^k)^2*(1-q^(11k))^2.at n=24A032442Length of n-th iterate of the mapping 00->0010, 01->100, 10->011 in A289165.at n=27A289177