| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 14 |
| 4 | 17 |
| 5 | 48 |
| 6 | 2033 |
| 7 | 4114 |
| 8 | 6147 |
| 9 | 28702 |
| 10 | 34849 |
| 11 | 98400 |
| 12 | 4167649 |
| 13 | 8433698 |
| 14 | 12601347 |
| 15 | 58839086 |
| 16 | 71440433 |
| 17 | 201719952 |
| 18 | 8543678417 |
| 19 | 17289076786 |
| 20 | 25832755203 |
| 21 | 120620097598 |
| 22 | 146452852801 |
| 23 | 413525803200 |
| 24 | 17514536587201 |
| 25 | 35442598977602 |
| 26 | 52957135564803 |
[1,2,3,14,17,48,2033,4114,6147,28702,34849,98400, 4167649,8433698,12601347,58839086,71440433, 201719952,8543678417,17289076786,25832755203, 120620097598,146452852801,413525803200, 17514536587201,35442598977602,52957135564803] |