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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 38 |
| 3 | 144 |
| 4 | 89173 |
| 5 | 2294372 |
| 6 | 247200529 |
| 7 | 10874636860 |
| 8 | 776880319370 |
| 9 | 41186123651894 |
| 10 | 2584866896797503 |
| 11 | 146335664855961366 |
[0,38,144,89173,2294372,247200529,10874636860, 776880319370,41186123651894,2584866896797503, 146335664855961366] |