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| n | a(n) |
|---|---|
| 1 | 295 |
| 2 | 943 |
| 3 | 3326 |
| 4 | 11186 |
| 5 | 38374 |
| 6 | 132875 |
| 7 | 457442 |
| 8 | 1580135 |
| 9 | 5473377 |
| 10 | 18930754 |
| 11 | 65456340 |
| 12 | 226502034 |
| 13 | 783890677 |
| 14 | 2712485616 |
| 15 | 9385945117 |
| 16 | 32480412447 |
| 17 | 112404447736 |
| 18 | 389000283088 |
| 19 | 1346233221024 |
| 20 | 4659079372785 |
| 21 | 16124670165786 |
[295,943,3326,11186,38374,132875,457442,1580135, 5473377,18930754,65456340,226502034,783890677, 2712485616,9385945117,32480412447,112404447736, 389000283088,1346233221024,4659079372785, 16124670165786] |