The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 315 |
| 3 | 3161 |
| 4 | 31622 |
| 5 | 316227 |
| 6 | 3162277 |
| 7 | 31622776 |
| 8 | 316227765 |
| 9 | 316227766 |
| 10 | 31622776601 |
| 11 | 316227766016 |
| 12 | 3162277660167 |
| 13 | 31622776601683 |
| 14 | 316227766016837 |
| 15 | 3162277660168378 |
| 16 | 31622776601683792 |
[3,315,3161,31622,316227,3162277,31622776, 316227765,316227766,31622776601,316227766016, 3162277660167,31622776601683,316227766016837, 3162277660168378,31622776601683792] |