14055001domain: NAppears in sequencesNumber of 4Xn 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.at n=11A207124Squares whose arithmetic mean of digits is 2 (i.e., the sum of digits is twice the number of digits).at n=19A316482