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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 17 |
| 5 | 32989 |
| 6 | 3070523 |
| 7 | 76922021647 |
| 8 | 18720390952421 |
| 9 | 2221345311813453913 |
| 10 | 375478256910977660716137931 |
| 11 | 285218128830312966275600516129 |
| 12 | 279274269361787700801801387500627027027 |
| 13 | 497509319053596179479031261948851155043902439 |
| 14 | 777965735189855979259768884963738410817488372093 |
[0,0,1,17,32989,3070523,76922021647, 18720390952421,2221345311813453913, 375478256910977660716137931, 285218128830312966275600516129, 279274269361787700801801387500627027027, 497509319053596179479031261948851155043902439, 777965735189855979259768884963738410817488372093] |