Function triangularNumber

triangularNumber(value: number): number
Calculate the nth triangular number for a provided number.

Time complexity: O(1)

Space complexity: O(1)
Parameters
- value: number
  The number to calculate the triangular number for
Returns number
The nth triangular number for the provided value

Math
Example
```
triangularNumber(2); // 3
```
- Defined in src/math/triangular-number.ts:20
triangularNumber(value: bigint): bigint
Calculate the nth triangular number for a provided bigint.

Time complexity: O(1)

Space complexity: O(1)
Parameters
- value: bigint
  The number to calculate the triangular number for
Returns bigint
The nth triangular number for the provided value

Math
Example
```
triangularNumber(2n); // 3n
```
- Defined in src/math/triangular-number.ts:40