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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 52 |
| 3 | 2172 |
| 4 | 307144 |
| 5 | 200258884 |
| 6 | 465277782336 |
| 7 | 5036570504598960 |
| 8 | 194136255385117730696 |
| 9 | 34835929955107905273340132 |
| 10 | 22243413468977139564311499153224 |
| 11 | 66105120187260568220771918409079162896 |
[5,52,2172,307144,200258884,465277782336, 5036570504598960,194136255385117730696, 34835929955107905273340132, 22243413468977139564311499153224, 66105120187260568220771918409079162896] |