396809280

Appears in sequences

• Number of bracelets with n labeled beads of 3 colors.at n=9A032261
• a(n) = (3*n+6)!!!/6!!!, related to A032031 ((3*n)!!! triple factorials).at n=7A051606
• a(n) = Product_{k=0..n-1} (n+3*k+2).at n=7A384257
• Triangle read by rows: T(n,d) is the number of fixed, properly d-dimensional polysticks of size n.at n=34A385582