3559310

Appears in sequences

• G.f. satisfies A(x) = A(A(x)) - x^2 with A(0)=0.at n=9A138740
• G.f. A(x) satisfies: A( x - A(x) ) = x^2.at n=8A276370
• G.f. A(x) satisfies: A( 2*x - A(x) ) = 2*x - A(x) + x^2.at n=9A292809
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of (B(x)/x)^k, where B(x) is the g.f. of A213591.at n=63A384619