99437domain: NAppears in sequencesa(n) = floor((4/3)^n).at n=40A064628Values of floor((4/3)^n) that are composite.at n=28A070761Number of ways 1/n can be expressed as the sum of four distinct unit fractions: 1/n = 1/w + 1/x + 1/y + 1/z satisfying 0 < w < x < y < z.at n=43A241883Nearest integer to (4/3)^n.at n=40A309212