388057domain: NPropertiesPrimalityPrimeyesAppears in sequencesG.f. A(x) satisfies A(x) = 1 + x*A(x*A(x)^3).at n=9A143501Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A143501.at n=64A384581Prime numbersat n=32911