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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 14 |
| 7 | 52 |
| 8 | 76 |
| 9 | 2528 |
| 10 | 9536 |
| 11 | 9664 |
| 12 | 35456 |
| 13 | 138496 |
| 14 | 8456192 |
| 15 | 33665024 |
| 16 | 33673216 |
| 17 | 537444352 |
| 18 | 2148958208 |
| 19 | 137454419968 |
[1,2,3,5,7,14,52,76,2528,9536,9664,35456,138496, 8456192,33665024,33673216,537444352,2148958208, 137454419968] |