194202domain: NAppears in sequencesG.f. A(x) satisfies: A(x) = F(x/A(x)) where A(x*F(x)) = F(x) = g.f. of A133053, which is the squares of Motzkin numbers (A001006).at n=10A168594Number of compositions of n with exactly 4 transitions between different parts.at n=17A244716a(n) = 324*n^2 - 336*n + 102 (n >= 1).at n=24A304165