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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 5 |
| 7 | 5 |
| 8 | 14 |
| 9 | 19 |
| 10 | 37 |
| 11 | 37 |
| 12 | 146 |
| 13 | 146 |
| 14 | 317 |
| 15 | 537 |
| 16 | 1342 |
| 17 | 1342 |
| 18 | 4312 |
| 19 | 4312 |
| 20 | 13751 |
| 21 | 19648 |
| 22 | 34768 |
| 23 | 34768 |
| 24 | 178350 |
| 25 | 205852 |
| 26 | 405518 |
| 27 | 665796 |
| 28 | 1626743 |
| 29 | 1626743 |
| 30 | 6019892 |
| 31 | 6019892 |
| 32 | 19591134 |
| 33 | 26897442 |
| 34 | 48289540 |
| 35 | 68463039 |
| 36 | 270214317 |
| 37 | 270214317 |
[0,1,1,1,2,2,5,5,14,19,37,37,146,146,317,537,1342, 1342,4312,4312,13751,19648,34768,34768,178350, 205852,405518,665796,1626743,1626743,6019892, 6019892,19591134,26897442,48289540,68463039, 270214317,270214317] |