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| n | a(n) |
|---|---|
| 1 | 1252 |
| 2 | 44916 |
| 3 | 273616 |
| 4 | 1546496 |
| 5 | 8821464 |
| 6 | 51986544 |
| 7 | 309447168 |
| 8 | 1904101280 |
| 9 | 11662822720 |
| 10 | 73936333840 |
| 11 | 461379072240 |
| 12 | 2989492800168 |
| 13 | 18885457119368 |
| 14 | 124303652993736 |
| 15 | 791413858826744 |
| 16 | 5265714915850752 |
| 17 | 33682209801072272 |
[1252,44916,273616,1546496,8821464,51986544, 309447168,1904101280,11662822720,73936333840, 461379072240,2989492800168,18885457119368, 124303652993736,791413858826744,5265714915850752, 33682209801072272] |