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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 5 |
| 6 | 9 |
| 7 | 25 |
| 8 | 59 |
| 9 | 279 |
| 10 | 1153 |
| 11 | 8111 |
| 12 | 46003 |
| 13 | 371173 |
| 14 | 2930355 |
| 15 | 33533835 |
| 16 | 383283501 |
[1,1,1,1,5,9,25,59,279,1153,8111,46003,371173, 2930355,33533835,383283501] |