4798080

Appears in sequences

• (3/4)*(27*n^2-137*n+180)*n^(n-6)*(2*n-6)!/(n-3)!.at n=3A104003
• a(n) = C(n+3,3) * C(n+5,5).at n=13A105946
• Triangle T(n,k): vertex labeled disconnected Goldstone diagrams with n interactions and k external potentials.at n=33A328922
• a(n) is the smallest n-gonal number divisible by exactly n n-gonal numbers.at n=9A358859