866052domain: NAppears in sequencesExpansion of (11*x-2)/(1-3*x)^2.at n=10A053566Numbers k such that k, A001414(k) and A083345(k) are all multiples of 3, where A001414 is fully additive with a(p) = p, and A083345 is the numerator of the fully additive function with a(p) = 1/p.at n=7A373476