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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 9 |
| 3 | 192 |
| 4 | 251720 |
| 5 | 1339732352 |
| 6 | 108943637068673 |
| 7 | 76260881288534294528 |
| 8 | 594579828469677562655346609 |
| 9 | 46342255378179654331792920815382272 |
| 10 | 37825739518339601867409254032413815052514057 |
[0,9,192,251720,1339732352,108943637068673, 76260881288534294528,594579828469677562655346609, 46342255378179654331792920815382272, 37825739518339601867409254032413815052514057] |