164424

Appears in sequences

• Number of unrooted triangulations with reflection symmetry of a disk with 2 internal nodes and n+3 nodes on the boundary.at n=17A005509
• a(n) = (n+6)*(n+1)*(n^2 + 7*n + 16)/4.at n=26A168538
• Number of 8-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.at n=15A187178
• Coordination sequence for (2,4,7) tiling of hyperbolic plane.at n=32A265062
• Numbers k such that binomial(k^2,k) == 0 (mod k^3).at n=29A371474