266200

Appears in sequences

• Let df(n,k) = Product_{i=0..k-1} (n-i) be the descending factorial and let P(m,n) = df(n-1,m-1)^2*(2*n-m)/((m-1)!*m!). Sequence gives P(4,n).at n=12A132458
• Numbers with prime factorization p^2*q^3*r^3 where p, q, and r are distinct primes.at n=24A190106
• Numbers such that the list of exponents of their factorization is a palindromic list of primes.at n=36A322525