| 2 | 3 | 7 | 47 | 383 |
| 0 | = 1!! - 1 | 2 | = 1!! + 1 | prime number | |
| 1 | = 2!! - 1 | 3 | = 2!! + 1 | prime number | |
| 2 | = 3!! - 1 | prime number | 4 | = 3!! + 1 | = 22 |
| 7 | = 4!! - 1 | prime number | 9 | = 4!! + 1 | = 32 |
| 14 | = 5!! - 1 | = 2 * 7 | 16 | = 5!! + 1 | = 24 |
| 47 | = 6!! - 1 | prime number | 49 | = 6!! + 1 | = 72 |
| 104 | = 7!! - 1 | = 23 * 13 | 106 | = 7!! + 1 | = 2 * 53 |
| 383 | = 8!! - 1 | prime number | 385 | = 8!! + 1 | = 5 * 7 * 11 |
| 944 | = 9!! - 1 | = 24 * 59 | 946 | = 9!! + 1 | = 2 * 11 * 43 |
| 3839 | = 10!! - 1 | = 11 * 349 | 3841 | = 10!! + 1 | = 23 * 167 |