Hexagonal Number/Examples

Examples of Hexagonal Number
The first few hexagonal numbers are as follows:

From the definition:
 * $H_0 = 0$


 * [[File:1stTriangleNumber.png]]

The first hexagonal number:
 * $H_1 = 1$


 * [[File:2ndHexagonalNumber.png]]

The second hexagonal number:
 * $H_2 = 1 + 5 = 6$


 * [[File:3rdHexagonalNumber.png]]

The third hexagonal number:
 * $H_3 = 1 + 5 + 9 = 15$