32240

Appears in sequences

• Number of walks of length n along the edges of an icosahedron between two opposite vertices.at n=8A054885
• a(n) = n^3 - n*(n+1)/2.at n=32A160378
• a(n) = 3^n*A_{n, 1/3}(-1) where A_{n, k}(x) are the generalized Eulerian polynomials.at n=7A225116
• Interpret the values of the Moebius function mu(k) for k = 1 to n as a balanced ternary number.at n=11A292524
• a(n) = n! * [x^n] Product_{k>=1} 1/(1 - x^k/k)^n.at n=5A319176
• Expansion of e.g.f. exp(3*(exp(x) - 1) - x).at n=7A355254
• Number of unlabeled graphs with n vertices and a unique triangle.at n=10A372194