Sums in a Triangle Unknown September 20, 2017 Sums in a Triangle Let's consider a triangle of numbers in which a number appears in the first line, two numbers appear in the secon... Read More
Rupsa and the Game Unknown September 20, 2017 Rupsa and the Game Princess Rupsa saw one of her friends playing a special game. The game goes as follows: N+1 numbers occur sequentia... Read More