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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 143 |
| 3 | 2145 |
| 4 | 36465 |
| 5 | 692835 |
| 6 | 14549535 |
| 7 | 334639305 |
| 8 | 8365982625 |
| 9 | 225881530875 |
| 10 | 6550564395375 |
| 11 | 203067496256625 |
| 12 | 6701227376468625 |
| 13 | 234542958176401875 |
| 14 | 8678089452526869375 |
| 15 | 338445488648547905625 |
| 16 | 13876265034590464130625 |
[1,11,143,2145,36465,692835,14549535,334639305, 8365982625,225881530875,6550564395375, 203067496256625,6701227376468625, 234542958176401875,8678089452526869375, 338445488648547905625,13876265034590464130625] |