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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 14 |
| 4 | 18 |
| 5 | 48 |
| 6 | 124 |
| 7 | 134 |
| 8 | 284 |
| 9 | 3135 |
| 10 | 4221 |
| 11 | 9594 |
| 12 | 16468 |
| 13 | 34825 |
| 14 | 557096 |
| 15 | 711676 |
| 16 | 746464 |
| 17 | 1333334 |
| 18 | 2676977 |
| 19 | 6514063 |
| 20 | 11280468 |
| 21 | 16081252 |
| 22 | 35401658 |
| 23 | 53879547 |
| 24 | 133333334 |
| 25 | 198485452 |
| 26 | 223856659 |
| 27 | 1333333334 |
| 28 | 2514095219 |
| 29 | 2956260256 |
| 30 | 3100811124 |
| 31 | 10912946218 |
| 32 | 19780160858 |
[1,6,14,18,48,124,134,284,3135,4221,9594,16468, 34825,557096,711676,746464,1333334,2676977, 6514063,11280468,16081252,35401658,53879547, 133333334,198485452,223856659,1333333334, 2514095219,2956260256,3100811124,10912946218, 19780160858] |