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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 23 |
| 2 | 500 |
| 3 | 27590 |
| 4 | 623098 |
| 5 | 23048345 |
| 6 | 5041394261 |
| 7 | 416081467190 |
| 8 | 11331029931180 |
| 9 | 50928660480181 |
| 10 | 6548598523124085 |
| 11 | 2441875986594058601 |
| 12 | 76594163421571591377 |
| 13 | 7783548304686046882879 |
| 14 | 252583670951378815076851 |
| 15 | 4392422457122810120236558 |
| 16 | 1165802007767335105471573954 |
[0,23,500,27590,623098,23048345,5041394261, 416081467190,11331029931180,50928660480181, 6548598523124085,2441875986594058601, 76594163421571591377,7783548304686046882879, 252583670951378815076851, 4392422457122810120236558, 1165802007767335105471573954] |