200812

Appears in sequences

• p-INVERT of (1,1,0,0,0,0,...), where p(S) = (1 - S)(1 - 3 S).at n=8A291394
• G.f. A(x) satisfies: 2 = Sum_{n=-oo..+oo} x^n * A(x)^n * (A(x)^n + x^n)^n.at n=8A292088