2097152000

Appears in sequences

• Values of n such that tau(n) = rad(n)^2, where tau(n) is the number of divisor of n, and rad(n) is the product of the distinct prime factors of n (rad(1)=1).at n=12A173190
• Number of (n+1) X (n+1) 0..2 arrays with every 2 X 2 subblock diagonal maximum minus antidiagonal minimum unequal to its neighbors horizontally, vertically, diagonally and antidiagonally.at n=22A253461
• Expansion of (2 x^4*(5 - 12*x + 8*x^2))/(1 - 2*x)^4.at n=23A268462