The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 369 |
| 2 | 254 |
| 3 | 419 |
| 4 | 2820 |
| 5 | 3923 |
| 6 | 10090 |
| 7 | 29538 |
| 8 | 8310 |
| 9 | 227835 |
| 10 | 20739 |
| 11 | 28391 |
| 12 | 37494 |
| 13 | 875196 |
| 14 | 112295 |
| 15 | 623814 |
| 16 | 478788 |
| 17 | 3045867 |
| 18 | 17595980 |
| 19 | 5473454 |
| 20 | 10365237 |
| 21 | 13724103165 |
| 22 | 94822722216 |
[369,254,419,2820,3923,10090,29538,8310,227835, 20739,28391,37494,875196,112295,623814,478788, 3045867,17595980,5473454,10365237,13724103165, 94822722216] |