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| n | a(n) |
|---|---|
| 1 | 19701 |
| 2 | 31630 |
| 3 | 39463 |
| 4 | 52912 |
| 5 | 83003 |
| 6 | 147332 |
| 7 | 285681 |
| 8 | 590963 |
| 9 | 1287225 |
| 10 | 2936843 |
| 11 | 7007361 |
| 12 | 17462243 |
| 13 | 45313545 |
| 14 | 121840763 |
| 15 | 337369041 |
| 16 | 955847123 |
| 17 | 2755067865 |
| 18 | 8040303083 |
| 19 | 23671154721 |
| 20 | 70114001603 |
| 21 | 208543126185 |
| 22 | 622031667803 |
[19701,31630,39463,52912,83003,147332,285681, 590963,1287225,2936843,7007361,17462243,45313545, 121840763,337369041,955847123,2755067865, 8040303083,23671154721,70114001603,208543126185, 622031667803] |