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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 13 |
| 5 | 32 |
| 6 | 82 |
| 7 | 201 |
| 8 | 498 |
| 9 | 1214 |
| 10 | 2954 |
| 11 | 7117 |
| 12 | 17115 |
| 13 | 40880 |
| 14 | 97336 |
| 15 | 230699 |
| 16 | 545068 |
| 17 | 1283150 |
| 18 | 3011783 |
| 19 | 7047353 |
| 20 | 16445814 |
| 21 | 38275172 |
| 22 | 88859213 |
| 23 | 205796476 |
| 24 | 475539242 |
| 25 | 1096428621 |
| 26 | 2522704211 |
| 27 | 5792637135 |
| 28 | 13275381694 |
| 29 | 30367439045 |
| 30 | 69341077367 |
| 31 | 158059717986 |
| 32 | 359688534284 |
[1,1,2,5,13,32,82,201,498,1214,2954,7117,17115, 40880,97336,230699,545068,1283150,3011783,7047353, 16445814,38275172,88859213,205796476,475539242, 1096428621,2522704211,5792637135,13275381694, 30367439045,69341077367,158059717986,359688534284] |