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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 9 |
| 6 | 8 |
| 7 | 26 |
| 8 | 69 |
| 9 | 77 |
| 10 | 55 |
| 11 | 261 |
| 12 | 806 |
| 13 | 1088 |
| 14 | 920 |
| 15 | 610 |
| 16 | 4062 |
| 17 | 14362 |
| 18 | 22887 |
| 19 | 22856 |
| 20 | 17034 |
| 21 | 10946 |
| 22 | 98912 |
| 23 | 395253 |
| 24 | 728605 |
| 25 | 847832 |
| 26 | 721756 |
| 27 | 502606 |
| 28 | 317811 |
| 29 | 3809193 |
| 30 | 17008391 |
| 31 | 35644614 |
| 32 | 47557978 |
| 33 | 46166656 |
| 34 | 35655012 |
| 35 | 23828383 |
| 36 | 14930352 |
[1,1,2,4,9,8,26,69,77,55,261,806,1088,920,610, 4062,14362,22887,22856,17034,10946,98912,395253, 728605,847832,721756,502606,317811,3809193, 17008391,35644614,47557978,46166656,35655012, 23828383,14930352] |