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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 11 |
| 4 | 13 |
| 5 | 193 |
| 6 | 978 |
| 7 | 1171 |
| 8 | 2149 |
| 9 | 7618 |
| 10 | 32621 |
| 11 | 40239 |
| 12 | 113099 |
| 13 | 153338 |
| 14 | 266437 |
| 15 | 419775 |
| 16 | 4464187 |
| 17 | 4883962 |
| 18 | 9348149 |
| 19 | 14232111 |
| 20 | 37812371 |
| 21 | 52044482 |
| 22 | 245990299 |
| 23 | 790015379 |
| 24 | 1036005678 |
| 25 | 1826021057 |
| 26 | 10166110963 |
| 27 | 144151574539 |
| 28 | 154317685502 |
| 29 | 915740002049 |
[1,1,2,11,13,193,978,1171,2149,7618,32621,40239, 113099,153338,266437,419775,4464187,4883962, 9348149,14232111,37812371,52044482,245990299, 790015379,1036005678,1826021057,10166110963, 144151574539,154317685502,915740002049] |