165204

Appears in sequences

• Number of segments created by diagonals of n-gon.at n=36A014629
• a(n) is the total area of all self-avoiding polygons of length 2n on the square lattice.at n=7A056625
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (1, -1, 0), (1, 0, 0), (1, 1, 1)}.at n=9A150527
• Expansion of g.f. A(x) satisfying A(x)^3 = A( x*A(x)^2/(1 - A(x)) ).at n=11A372531