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| n | a(n) |
|---|---|
| 1 | 52 |
| 2 | 10136 |
| 3 | 1966380 |
| 4 | 381467632 |
| 5 | 74002754276 |
| 6 | 14356152861960 |
| 7 | 2785019652466012 |
| 8 | 540279456425544416 |
| 9 | 104811429526903150740 |
| 10 | 20332877048762785699192 |
| 11 | 3944473336030453522492556 |
| 12 | 765207494312859220577856720 |
| 13 | 148446309423358658338581711172 |
[52,10136,1966380,381467632,74002754276, 14356152861960,2785019652466012, 540279456425544416,104811429526903150740, 20332877048762785699192,3944473336030453522492556, 765207494312859220577856720, 148446309423358658338581711172] |