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| n | a(n) |
|---|---|
| 1 | 339 |
| 2 | 1677 |
| 3 | 9062 |
| 4 | 48658 |
| 5 | 259257 |
| 6 | 1382414 |
| 7 | 7389034 |
| 8 | 39505162 |
| 9 | 211085078 |
| 10 | 1127932908 |
| 11 | 6027956200 |
| 12 | 32214103236 |
| 13 | 172151883337 |
| 14 | 919985137034 |
| 15 | 4916449385076 |
| 16 | 26273721744552 |
| 17 | 140407834691944 |
| 18 | 750345450048779 |
[339,1677,9062,48658,259257,1382414,7389034, 39505162,211085078,1127932908,6027956200, 32214103236,172151883337,919985137034, 4916449385076,26273721744552,140407834691944, 750345450048779] |