115496

Appears in sequences

• G.f.: Product_{m>0} (1 + x^m + 2*x^(2*m) + 3*x^(3*m)).at n=42A290269
• On a spirally numbered square grid, with labels starting at 0, this is the number of the last cell that a (1,n) leaper reaches before getting trapped, or -1 if it never gets trapped.at n=14A323472
• Number of regions formed inside a square with edge length 1 by the straight line segments mutually connecting all vertices and points that divide the sides into segments with lengths equal to the Farey series of order n = A006842(n,k)/A006843(n,k), k = 1..A005728(n).at n=5A358886