Write Python code to generate N Tribonacci numbers
```python
def tribonacci(n):
    if n == 0 or n == 1:
        return 0
    if n == 2:
        return 1
    return tribonacci(n-1) + tribonacci(n-2) + tribonacci(n-3)
```
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:

Write Python code to generate N Tribonacci numbers

### Response:

```python
def tribonacci(n):
    if n == 0 or n == 1:
        return 0
    if n == 2:
        return 1
    return tribonacci(n-1) + tribonacci(n-2) + tribonacci(n-3)
```
