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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 10 |
| 7 | 31 |
| 8 | 36 |
| 9 | 117 |
| 10 | 133 |
| 11 | 438 |
| 12 | 495 |
| 13 | 1636 |
| 14 | 1846 |
| 15 | 6107 |
| 16 | 6888 |
| 17 | 22793 |
| 18 | 25705 |
| 19 | 85066 |
| 20 | 95931 |
| 21 | 317472 |
| 22 | 358018 |
| 23 | 1184823 |
| 24 | 1336140 |
| 25 | 4421821 |
| 26 | 4986541 |
| 27 | 16502462 |
| 28 | 18610023 |
| 29 | 61588028 |
| 30 | 69453550 |
| 31 | 229849651 |
| 32 | 259204176 |
| 33 | 857810577 |
| 34 | 967363153 |
[0,1,1,2,3,8,10,31,36,117,133,438,495,1636,1846, 6107,6888,22793,25705,85066,95931,317472,358018, 1184823,1336140,4421821,4986541,16502462,18610023, 61588028,69453550,229849651,259204176,857810577, 967363153] |