188350domain: NAppears in sequencesNumber of 5Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 1 1 and 1 0 1 vertically.at n=7A207765a(n) is the sum, over all overpartitions of n, of the non-overlined parts.at n=21A335651