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| n | a(n) |
|---|---|
| 0 | 22 |
| 1 | 23 |
| 2 | 206 |
| 3 | 1053 |
| 4 | 1259 |
| 5 | 2312 |
| 6 | 3571 |
| 7 | 5883 |
| 8 | 15337 |
| 9 | 21220 |
| 10 | 227537 |
| 11 | 248757 |
| 12 | 725051 |
| 13 | 973808 |
| 14 | 1698859 |
| 15 | 2672667 |
| 16 | 4371526 |
| 17 | 24530297 |
| 18 | 200613902 |
| 19 | 225144199 |
| 20 | 10106958658 |
| 21 | 10332102857 |
| 22 | 92763781514 |
[22,23,206,1053,1259,2312,3571,5883,15337,21220, 227537,248757,725051,973808,1698859,2672667, 4371526,24530297,200613902,225144199,10106958658, 10332102857,92763781514] |