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| n | a(n) |
|---|---|
| 1 | 6857 |
| 2 | 29789 |
| 3 | 50651 |
| 4 | 300761 |
| 5 | 1295027 |
| 6 | 3442949 |
| 7 | 9393929 |
| 8 | 13997519 |
| 9 | 21253931 |
| 10 | 49430861 |
| 11 | 84604517 |
| 12 | 95443991 |
| 13 | 237176657 |
| 14 | 329939369 |
| 15 | 384240581 |
| 16 | 487443401 |
| 17 | 633839777 |
| 18 | 904231061 |
| 19 | 1284365501 |
| 20 | 1605723209 |
| 21 | 3183010109 |
| 22 | 3301293167 |
[6857,29789,50651,300761,1295027,3442949,9393929, 13997519,21253931,49430861,84604517,95443991, 237176657,329939369,384240581,487443401,633839777, 904231061,1284365501,1605723209,3183010109, 3301293167] |