39663

Appears in sequences

• The Wiener index of the nanostar dendrimer D_n.at n=2A227492
• Dziemianczuk's array S(i,j) read by antidiagonals.at n=22A232973
• Certain directed lattice paths.at n=6A260774
• Symmetric triangle read by rows refining A109113.at n=48A382880
• Symmetric triangle read by rows refining A109113.at n=49A382880
• a(n) = Sum_{k=0..floor(n/3)} binomial(n,k) * binomial(n-2*k,k).at n=14A383522