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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 177147 |
| 2 | 362797056 |
| 3 | 31381059609 |
| 4 | 743008370688 |
| 5 | 8649755859375 |
| 6 | 64268410079232 |
| 7 | 350277500542221 |
| 8 | 1521681143169024 |
| 9 | 5559060566555523 |
| 10 | 17714700000000000 |
| 11 | 50542106513726817 |
| 12 | 131621703842267136 |
| 13 | 317475837322472439 |
| 14 | 717368321110468608 |
[0,177147,362797056,31381059609,743008370688, 8649755859375,64268410079232,350277500542221, 1521681143169024,5559060566555523, 17714700000000000,50542106513726817, 131621703842267136,317475837322472439, 717368321110468608] |