103734

Appears in sequences

• G.f. satisfies A(x) = 1 + x*(1 + x*A(x)^5)^4.at n=7A137964
• a(n) = a(n-1) + 3*a(n-2) with n>1, a(0)=1, a(1)=6.at n=13A274977
• The number of regions formed when every pair of n points, placed at the vertices of a regular n-gon, are connected by a circle and where the points lie at the ends of the circle's diameter.at n=27A358782