The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 35 |
| 3 | 452 |
| 4 | 5700 |
| 5 | 94217 |
| 6 | 1447110 |
| 7 | 22504107 |
| 8 | 348871589 |
| 9 | 5406312318 |
| 10 | 83828453334 |
| 11 | 1300167830235 |
| 12 | 20168484726903 |
| 13 | 312884691407215 |
| 14 | 4853992391306949 |
| 15 | 75303212625271575 |
| 16 | 1168225180318165057 |
| 17 | 18123347504407854750 |
[13,35,452,5700,94217,1447110,22504107,348871589, 5406312318,83828453334,1300167830235, 20168484726903,312884691407215,4853992391306949, 75303212625271575,1168225180318165057, 18123347504407854750] |