2060980

Appears in sequences

• Coordination sequence for 10-dimensional cubic lattice.at n=9A008420
• Number of points of L1 norm 9 in cubic lattice Z^n.at n=10A035603
• a(n) = T(n,n), array T as in A050143.at n=10A050146
• Number of symmetric Schroeder paths of length 2n (A Schroeder path of length 2n is a lattice path from (0,0) to (2n,0) consisting of U=(1,1), D=(1,-1) and H=(2,0) steps and never going below the x-axis).at n=18A110110
• T(n,k) is the coordination number of the (n+1)-dimensional cubic lattice for radius k; triangle read by rows, n>=0, 0<=k<=n.at n=54A343599