On the Z^2 lattice, number of paths of length 2*p+1 that start at (1,0) and pass through the origin.
A108740
On the Z^2 lattice, number of paths of length 2*p+1 that start at (1,0) and pass through the origin.
Terms
- a(0) =1a(1) =21a(2) =380a(3) =6549a(4) =110300a(5) =1833692a(6) =30235088a(7) =495760277a(8) =8096423740a(9) =131830443644
External references
- oeis: A108740