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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 354 |
| 3 | 175884 |
| 4 | 188834753 |
| 5 | 253155125338 |
| 6 | 356734116034266 |
| 7 | 508116551730888266 |
| 8 | 725424852023224352701 |
| 9 | 1036196988923824970841964 |
| 10 | 1480269108515044158376950586 |
| 11 | 2114704441343238968833690030736 |
[4,354,175884,188834753,253155125338, 356734116034266,508116551730888266, 725424852023224352701,1036196988923824970841964, 1480269108515044158376950586, 2114704441343238968833690030736] |