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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 73 |
| 3 | 1517 |
| 4 | 42193 |
| 5 | 1466645 |
| 6 | 61177753 |
| 7 | 2977205117 |
| 8 | 165583073953 |
| 9 | 10360379100965 |
| 10 | 720265883283433 |
| 11 | 55081115403503117 |
| 12 | 4595165623000889713 |
| 13 | 415299796681103596085 |
| 14 | 40420990463421954662713 |
| 15 | 4215173033091627126703517 |
| 16 | 468870152072269125977393473 |
[1,5,73,1517,42193,1466645,61177753,2977205117, 165583073953,10360379100965,720265883283433, 55081115403503117,4595165623000889713, 415299796681103596085,40420990463421954662713, 4215173033091627126703517, 468870152072269125977393473] |