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| n | a(n) |
|---|---|
| 1 | 337 |
| 2 | 566 |
| 3 | 1411 |
| 4 | 2775 |
| 5 | 4398 |
| 6 | 10949 |
| 7 | 22212 |
| 8 | 38389 |
| 9 | 86646 |
| 10 | 186223 |
| 11 | 333028 |
| 12 | 690553 |
| 13 | 1521828 |
| 14 | 2869799 |
| 15 | 5631896 |
| 16 | 12249267 |
| 17 | 24273164 |
| 18 | 46855557 |
| 19 | 98826636 |
| 20 | 201859033 |
| 21 | 392337270 |
| 22 | 804788515 |
| 23 | 1662271148 |
| 24 | 3279380771 |
| 25 | 6610407134 |
| 26 | 13637789673 |
[337,566,1411,2775,4398,10949,22212,38389,86646, 186223,333028,690553,1521828,2869799,5631896, 12249267,24273164,46855557,98826636,201859033, 392337270,804788515,1662271148,3279380771, 6610407134,13637789673] |