4160240

Appears in sequences

• Convolution of Catalan numbers A000108 with Catalan numbers but C(0)=1 replaced by 3.at n=13A038629
• Number of paths from (0,0) to (n,n) that use E(1,0) and N(0,1) as steps and have odd number of East steps below the line y=x-1.at n=13A268214
• Numbers k such that the central binomial coefficient C(2*k,k) is divisible by k^3.at n=26A282163