Long description

This diagram shows the first eight rows of Pascal’s triangle. Its construction is explained below the figure. The rows contain the following numbers. First row: 1. Second row: 1, 1. Third row: 1, 2, 1. Fourth row: 1, 3, 3, 1. Fifth row: 1, 4, 6, 4, 1. Sixth row: 1, 5, 10, 10, 5, 1. Seventh row: 1, 6, 15, 20, 15, 6, 1. Eighth row: 1, 7, 21, 35, 35, 21, 7, 1.