**Pascal's Triangle**

The figure below, extended infinitely. A particular entry is found by adding the two numbers that are above and on either side of the element. Note: The numbers which make up Pascal's triangle are called binomial coefficients.

Pascal's Triangle Note that the sum of any two adjacent elements in a row can be found between them on the next row. Each row begins and ends with 1. | etc. |

**See also**

Binomial coefficients in Pascal's triangle, binomial theorem

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