A triangle of numbers where each cell is the sum of the two above. Powerful in combinatorics and binomial expansion.
First rows
- 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 n is the coefficients of (a+b)ⁿ.
A triangle of numbers where each cell is the sum of the two above. Powerful in combinatorics and binomial expansion.
Row n is the coefficients of (a+b)ⁿ.