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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 3 |
| 6 | 5 |
| 7 | 4 |
| 8 | 7 |
| 9 | 23 |
| 10 | 40 |
| 11 | 35 |
| 12 | 62 |
| 13 | 221 |
| 14 | 397 |
| 15 | 361 |
| 16 | 657 |
| 17 | 2410 |
| 18 | 4441 |
| 19 | 4110 |
| 20 | 7636 |
| 21 | 28460 |
| 22 | 53222 |
| 23 | 49910 |
| 24 | 93846 |
| 25 | 353743 |
| 26 | 668273 |
| 27 | 632602 |
| 28 | 1199892 |
| 29 | 4559828 |
| 30 | 8679280 |
| 31 | 8273610 |
| 32 | 15796439 |
| 33 | 60400688 |
| 34 | 115633260 |
| 35 | 110826888 |
| 36 | 212681976 |
| 37 | 817175698 |
| 38 | 1571588177 |
| 39 | 1512776590 |
[1,1,1,1,3,5,4,7,23,40,35,62,221,397,361,657,2410, 4441,4110,7636,28460,53222,49910,93846,353743, 668273,632602,1199892,4559828,8679280,8273610, 15796439,60400688,115633260,110826888,212681976, 817175698,1571588177,1512776590] |