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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 4 |
| 3 | 35 |
| 4 | 179 |
| 5 | 214 |
| 6 | 393 |
| 7 | 1393 |
| 8 | 10144 |
| 9 | 11537 |
| 10 | 21681 |
| 11 | 163304 |
| 12 | 511593 |
| 13 | 674897 |
| 14 | 1186490 |
| 15 | 6607347 |
| 16 | 54045266 |
| 17 | 60652613 |
| 18 | 236003105 |
| 19 | 14692845123 |
| 20 | 44314538474 |
| 21 | 59007383597 |
| 22 | 516373607250 |
| 23 | 2640875419847 |
| 24 | 3157249027097 |
[1,3,4,35,179,214,393,1393,10144,11537,21681, 163304,511593,674897,1186490,6607347,54045266, 60652613,236003105,14692845123,44314538474, 59007383597,516373607250,2640875419847, 3157249027097] |