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| n | a(n) |
|---|---|
| 1 | 1306 |
| 2 | 8338 |
| 3 | 60237 |
| 4 | 391926 |
| 5 | 2547757 |
| 6 | 16789556 |
| 7 | 110131505 |
| 8 | 722619025 |
| 9 | 4749948369 |
| 10 | 31181555198 |
| 11 | 204626875055 |
| 12 | 1343622742618 |
| 13 | 8822820748312 |
| 14 | 57923805951937 |
| 15 | 380282422081547 |
| 16 | 2496764092390181 |
| 17 | 16392666023439250 |
| 18 | 107625734028805515 |
[1306,8338,60237,391926,2547757,16789556, 110131505,722619025,4749948369,31181555198, 204626875055,1343622742618,8822820748312, 57923805951937,380282422081547,2496764092390181, 16392666023439250,107625734028805515] |