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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 410 |
| 4 | 154279 |
| 5 | 335279744 |
| 6 | 3037611501499 |
| 7 | 85864898797026630 |
| 8 | 6108049486793195602061 |
| 9 | 940799711096710781211340486 |
| 10 | 282034644651263093966900548272466 |
| 11 | 152112222253533154849862379093617650250 |
| 12 | 138939503191252353429488898422015410111981523 |
[1,8,410,154279,335279744,3037611501499, 85864898797026630,6108049486793195602061, 940799711096710781211340486, 282034644651263093966900548272466, 152112222253533154849862379093617650250, 138939503191252353429488898422015410111981523] |