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| n | a(n) |
|---|---|
| 1 | 12522 |
| 2 | 3749 |
| 3 | 9178 |
| 4 | 26129 |
| 5 | 90638 |
| 6 | 282255 |
| 7 | 874123 |
| 8 | 3133532 |
| 9 | 9855158 |
| 10 | 31190308 |
| 11 | 113533703 |
| 12 | 358503838 |
| 13 | 1162386053 |
| 14 | 4246934635 |
| 15 | 13490550259 |
| 16 | 44489156575 |
| 17 | 163191377759 |
| 18 | 519719587757 |
| 19 | 1738519434247 |
| 20 | 6387692714840 |
| 21 | 20392552972439 |
[12522,3749,9178,26129,90638,282255,874123, 3133532,9855158,31190308,113533703,358503838, 1162386053,4246934635,13490550259,44489156575, 163191377759,519719587757,1738519434247, 6387692714840,20392552972439] |