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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 17 |
| 6 | 70 |
| 7 | 108 |
| 8 | 483 |
| 9 | 739 |
| 10 | 3271 |
| 11 | 5030 |
| 12 | 22666 |
| 13 | 34917 |
| 14 | 158899 |
| 15 | 245151 |
| 16 | 1124817 |
| 17 | 1737163 |
| 18 | 8014799 |
| 19 | 12389961 |
| 20 | 57429411 |
| 21 | 88849813 |
| 22 | 413371936 |
| 23 | 639970236 |
| 24 | 2986709832 |
| 25 | 4626660043 |
| 26 | 21648717846 |
| 27 | 33552967488 |
| 28 | 157348142164 |
| 29 | 243982160894 |
[1,2,3,11,17,70,108,483,739,3271,5030,22666,34917, 158899,245151,1124817,1737163,8014799,12389961, 57429411,88849813,413371936,639970236,2986709832, 4626660043,21648717846,33552967488,157348142164, 243982160894] |