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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 8 |
| 3 | 23 |
| 4 | 31 |
| 5 | 85 |
| 6 | 116 |
| 7 | 897 |
| 8 | 48554 |
| 9 | 340775 |
| 10 | 389329 |
| 11 | 1119433 |
| 12 | 1508762 |
| 13 | 4136957 |
| 14 | 5645719 |
| 15 | 43656990 |
| 16 | 2363123179 |
| 17 | 16585519243 |
| 18 | 18948642422 |
| 19 | 54482804087 |
| 20 | 73431446509 |
| 21 | 201345697105 |
| 22 | 274777143614 |
| 23 | 2124785702403 |
| 24 | 115013205073376 |
| 25 | 807217221216035 |
[1,7,8,23,31,85,116,897,48554,340775,389329, 1119433,1508762,4136957,5645719,43656990, 2363123179,16585519243,18948642422,54482804087, 73431446509,201345697105,274777143614, 2124785702403,115013205073376,807217221216035] |