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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 3 |
| 4 | 52 |
| 5 | 106 |
| 6 | 260 |
| 7 | 279 |
| 8 | 334 |
| 9 | 491 |
| 10 | 536 |
| 11 | 728 |
| 12 | 1161 |
| 13 | 5678 |
| 14 | 15183 |
| 15 | 41437 |
| 16 | 189034 |
| 17 | 281965 |
| 18 | 1118629 |
| 19 | 3473978 |
| 20 | 32869874 |
| 21 | 82525851 |
| 22 | 159312757 |
| 23 | 424570638 |
| 24 | 472381891 |
| 25 | 563118608 |
| 26 | 579529452 |
| 27 | 1426303902 |
| 28 | 2330077798 |
| 29 | 2991863700 |
| 30 | 25850322702 |
| 31 | 34547004920 |
| 32 | 37294688664 |
[1,3,3,52,106,260,279,334,491,536,728,1161,5678, 15183,41437,189034,281965,1118629,3473978, 32869874,82525851,159312757,424570638,472381891, 563118608,579529452,1426303902,2330077798, 2991863700,25850322702,34547004920,37294688664] |