72190domain: NAppears in sequencesPalindromic numbers in bases 3 and 9 written in base 10.at n=75A259386G.f. A(x) satisfies: A(x) = 1/((1-x*B(x)^2)*(1-x*C(x)^3)) such that B(x) = 1/((1-x*A(x))*(1-x*C(x)^3)) and C(x) = 1/((1-x*A(x))*(1-x*B(x)^2)) are the g.f.s of A341955 and A341956, respectively.at n=6A341954