31716

Appears in sequences

• a(n) is the number of conjugacy classes in the alternating group A_n.at n=42A000702
• G.f. satisfies: 25*A(x) = 24 + 64*x + A(x)^9, starting with [1,4,36].at n=4A120605
• Partial sums of A243980.at n=29A244050
• a(n) is the number of distinct triangles whose sides do not pass through a grid point and whose vertices are three points of an n X n grid.at n=33A372217
• Expansion of 1 / sqrt((1-x)^6 - 4*x^3).at n=10A392643