26787domain: NAppears in sequencesNumbers x such that the base 10 representation of x^2 forms an arithmetic sequence when split into equal-sized chunks.at n=8A244660a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 2, a(2) = 2, a(3) = 1.at n=22A295691E.g.f. satisfies: log(A(x)) = (exp(x*A(x)) - 1) * A(x).at n=5A349557