1037149domain: NAppears in sequencesG.f.: exp( Sum_{n>=1} A163659(n^2)*x^n/n ), where x*exp(Sum_{n>=1} A163659(n)*x^n/n) = S(x) is the g.f. of Stern's diatomic series (A002487).at n=43A195586G.f. satisfies: A(x) = (1+x+x^2)^3 * A(x^2)^2.at n=21A237650