400080

Appears in sequences

• Coordination sequence for A_15 lattice.at n=3A035841
• Number of integer sequences of length n+1 with sum zero and sum of absolute values 6.at n=14A157052
• Number of lattice paths from (0,0) to (n,0) that do not go below the x-axis or above the diagonal x=y and consist of steps U=(1,1), D=(1,-1) and S=(0,1).at n=13A198324