A fireworks display launches 40 fireworks in sequence. Each firework reaches a random height, independent of the height that any other firework reaches. Every time you see a firework that shoots ...
From the second number onward, each number in the sequence is the product of the digits of its predecessor. The next two numbers are therefore 3 × 3 × 6 = 54 and 5 × 4 = 20. All subsequent numbers in ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results