Algebra-2

Row 6 of Pascal's Triangle is 1, 6, 15, 20, 15, 6, 1.

Pascal's Triangle is constructed as follows:

Row 0: 1

Row 1: 1, 1

Row 2: 1, 2, 1

Row 3: 1, 3, 3, 1

Row 4: 1, 4, 6, 4, 1

Row 5: 1, 5, 10, 10, 5, 1

Row 6: 1, ...