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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 19 |
| 2 | 532 |
| 3 | 14896 |
| 4 | 417088 |
| 5 | 11678464 |
| 6 | 326996992 |
| 7 | 9155915776 |
| 8 | 256365641728 |
| 9 | 7178237968384 |
| 10 | 200990663114752 |
| 11 | 5627738567213056 |
| 12 | 157576679881965568 |
| 13 | 4412147036695035904 |
| 14 | 123540117027461005312 |
[1,19,532,14896,417088,11678464,326996992, 9155915776,256365641728,7178237968384, 200990663114752,5627738567213056, 157576679881965568,4412147036695035904, 123540117027461005312] |