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| n | a(n) |
|---|---|
| 1 | 19701 |
| 2 | 22236 |
| 3 | 29370 |
| 4 | 40117 |
| 5 | 63550 |
| 6 | 113573 |
| 7 | 220988 |
| 8 | 457436 |
| 9 | 995132 |
| 10 | 2264924 |
| 11 | 5387708 |
| 12 | 13382876 |
| 13 | 34622012 |
| 14 | 92846684 |
| 15 | 256535228 |
| 16 | 725629916 |
| 17 | 2088972092 |
| 18 | 6091114844 |
| 19 | 17921775548 |
| 20 | 53062222556 |
| 21 | 157780493372 |
| 22 | 470529165404 |
[19701,22236,29370,40117,63550,113573,220988, 457436,995132,2264924,5387708,13382876,34622012, 92846684,256535228,725629916,2088972092, 6091114844,17921775548,53062222556,157780493372, 470529165404] |