Combination of 4 numbers
| Input interpretation |
|---|
| combinations | length | 4 |
| Number of distinct combinations of 4 objects |
| 16 |
| Combinations of {1, 2, 3, 4} |
| {} | {1} | {2} | {3} | {4} | {1, 2} | {1, 3} | {1, 4} | {2, 3} | {2, 4} | {3, 4} | {1, 2, 3} | {1, 2, 4} | {1, 3, 4} | {2, 3, 4} | {1, 2, 3, 4} (total: 16) |