| Latest posts: | Ulam conjecture Yes, the problem is that we do not allow the numbers in the sequence to be bigger than 10^18. In the... Ulam conjecture Would you be able to explain your concept to me in more detail? Not everything here is clear to me. Ulam conjecture That is a great idea but how can we do two steps in one go if we want to look at every possibility? Ulam conjecture Thanks a lot. However the code that I have written is very similar. It answers in 7 seconds for 840 ... Ulam conjecture Yes, any starting number will be good if the length of the sequence starting from it is the one give... |