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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 30 |
| 4 | 7 |
| 5 | 1 |
| 6 | 26 |
| 7 | 59 |
| 8 | 45 |
| 9 | 64 |
| 10 | 186 |
| 11 | 295 |
| 12 | 506 |
| 13 | 885 |
| 14 | 1725 |
| 15 | 3265 |
| 16 | 5893 |
| 17 | 10108 |
| 18 | 19684 |
| 19 | 36250 |
| 20 | 64589 |
| 21 | 121581 |
| 22 | 227175 |
| 23 | 416368 |
| 24 | 772126 |
| 25 | 1440512 |
| 26 | 2674555 |
| 27 | 4977901 |
| 28 | 9315535 |
| 29 | 17396488 |
| 30 | 32509051 |
| 31 | 61052607 |
| 32 | 114584666 |
| 33 | 215397646 |
| 34 | 406200423 |
| 35 | 766485477 |
[1,1,30,7,1,26,59,45,64,186,295,506,885,1725,3265, 5893,10108,19684,36250,64589,121581,227175,416368, 772126,1440512,2674555,4977901,9315535,17396488, 32509051,61052607,114584666,215397646,406200423, 766485477] |