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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 61 |
| 3 | 387 |
| 4 | 6742 |
| 5 | 101178 |
| 6 | 1575677 |
| 7 | 24498639 |
| 8 | 380995482 |
| 9 | 5926730196 |
| 10 | 92211738808 |
| 11 | 1434545885081 |
| 12 | 22318674073984 |
| 13 | 347229371088302 |
| 14 | 5402134371252384 |
| 15 | 84045598929827406 |
| 16 | 1307567768384242488 |
| 17 | 20342933954502637478 |
[0,61,387,6742,101178,1575677,24498639,380995482, 5926730196,92211738808,1434545885081, 22318674073984,347229371088302,5402134371252384, 84045598929827406,1307567768384242488, 20342933954502637478] |