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| n | a(n) |
|---|---|
| 1 | 22 |
| 2 | 243 |
| 3 | 8504 |
| 4 | 83045 |
| 5 | 412334 |
| 6 | 2439587 |
| 7 | 9128450 |
| 8 | 26718133 |
| 9 | 77477206 |
| 10 | 186461959 |
| 11 | 393375414 |
| 12 | 815573943 |
| 13 | 1532600102 |
| 14 | 2665869517 |
| 15 | 4588603836 |
| 16 | 7429078523 |
| 17 | 11465527204 |
| 18 | 17540618531 |
| 19 | 25835346484 |
| 20 | 36786441199 |
| 21 | 52063130104 |
| 22 | 71754093333 |
[22,243,8504,83045,412334,2439587,9128450, 26718133,77477206,186461959,393375414,815573943, 1532600102,2665869517,4588603836,7429078523, 11465527204,17540618531,25835346484,36786441199, 52063130104,71754093333] |