1730575

Appears in sequences

• G.f. satisfies A(x) = 1 + x*cycle_index(G,A(x)) where G = tetragonal pyramid group of order 4 with cycle index (z1^5+2*z1*z4+z1*z2^2)/4.at n=11A036783
• a(n) = binomial(n+4,4)*(2*n+1).at n=27A051880
• Indices of records in A192013: Sum_{d|n} Kronecker(-6, d).at n=16A279541
• Number of different ways to partition the set of vertices of a convex (n+11)-gon into 4 nonintersecting polygons.at n=20A350286