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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2191 |
| 2 | 24583 |
| 3 | 109513 |
| 4 | 324013 |
| 5 | 759811 |
| 6 | 1533331 |
| 7 | 2785693 |
| 8 | 4682713 |
| 9 | 7414903 |
| 10 | 11197471 |
| 11 | 16270321 |
| 12 | 22898053 |
| 13 | 31369963 |
| 14 | 42000043 |
| 15 | 55126981 |
| 16 | 71114161 |
| 17 | 90349663 |
| 18 | 113246263 |
| 19 | 140241433 |
| 20 | 171797341 |
| 21 | 208400851 |
| 22 | 250563523 |
| 23 | 298821613 |
| 24 | 353736073 |
| 25 | 415892551 |
| 26 | 485901391 |
[1,2191,24583,109513,324013,759811,1533331, 2785693,4682713,7414903,11197471,16270321, 22898053,31369963,42000043,55126981,71114161, 90349663,113246263,140241433,171797341,208400851, 250563523,298821613,353736073,415892551,485901391] |