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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1012 |
| 2 | 141726 |
| 3 | 6503112 |
| 4 | 130905236 |
| 5 | 1392036360 |
| 6 | 9401213016 |
| 7 | 47412641232 |
| 8 | 192747766686 |
| 9 | 663612939132 |
| 10 | 2007831887432 |
| 11 | 5456890474248 |
| 12 | 13617909938952 |
| 13 | 31527898462552 |
| 14 | 68719323996224 |
| 15 | 141662701280848 |
| 16 | 279248601010324 |
| 17 | 527242669347856 |
| 18 | 961796734667878 |
| 19 | 1695182770403416 |
[1,1012,141726,6503112,130905236,1392036360, 9401213016,47412641232,192747766686,663612939132, 2007831887432,5456890474248,13617909938952, 31527898462552,68719323996224,141662701280848, 279248601010324,527242669347856,961796734667878, 1695182770403416] |