The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 322 |
| 2 | 1632 |
| 3 | 8236 |
| 4 | 44186 |
| 5 | 238640 |
| 6 | 1260486 |
| 7 | 6627450 |
| 8 | 35198148 |
| 9 | 187296514 |
| 10 | 992298282 |
| 11 | 5252792268 |
| 12 | 27863022136 |
| 13 | 147844066586 |
| 14 | 783716212410 |
| 15 | 4153931543322 |
| 16 | 22027680104792 |
| 17 | 116814804478526 |
| 18 | 619329438394524 |
| 19 | 3283506981597222 |
[322,1632,8236,44186,238640,1260486,6627450, 35198148,187296514,992298282,5252792268, 27863022136,147844066586,783716212410, 4153931543322,22027680104792,116814804478526, 619329438394524,3283506981597222] |