33513

Appears in sequences

• a(n) is the number of points in the interior of the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter).at n=8A334690
• G.f. satisfies A(x) = ( 1 + x*A(x)^2*(1 + x*A(x)) )^3.at n=5A365154