3363360

Appears in sequences

• If n | a(n) then a(n+1) = a(n)/(highest power of n that divides a(n)), otherwise a(n+1) = n*a(n); a(0) = 1.at n=16A065422
• Triangle read by rows: T(n,k) = (3*n - 2*k)!/((n-k)!^3*k!).at n=41A318107
• Expansion of e.g.f. exp(x^4/24 * sinh(x)).at n=14A387019