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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 9 |
| 3 | 22 |
| 4 | 83 |
| 5 | 412 |
| 6 | 3216 |
| 7 | 36645 |
| 8 | 635051 |
| 9 | 14920889 |
| 10 | 488255207 |
| 11 | 20925387170 |
| 12 | 1149691363211 |
| 13 | 79301409027598 |
| 14 | 6819240506185074 |
| 15 | 709180385547570205 |
| 16 | 89356029012630707211 |
| 17 | 13403374746065668105583 |
| 18 | 2372395952629601456230037 |
[5,9,22,83,412,3216,36645,635051,14920889, 488255207,20925387170,1149691363211, 79301409027598,6819240506185074, 709180385547570205,89356029012630707211, 13403374746065668105583,2372395952629601456230037] |