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| n | a(n) |
|---|---|
| 0 | 28 |
| 1 | 57 |
| 2 | 85 |
| 3 | 2352 |
| 4 | 2437 |
| 5 | 7226 |
| 6 | 407093 |
| 7 | 821412 |
| 8 | 1228505 |
| 9 | 33991047 |
| 10 | 35219552 |
| 11 | 104430151 |
| 12 | 5883308008 |
| 13 | 11871046167 |
| 14 | 17754354175 |
| 15 | 491238608892 |
| 16 | 508992963067 |
| 17 | 1509224535026 |
| 18 | 85025566924523 |
| 19 | 171560358384072 |
| 20 | 256585925308595 |
| 21 | 7099380341716137 |
| 22 | 7355966267024732 |
[28,57,85,2352,2437,7226,407093,821412,1228505, 33991047,35219552,104430151,5883308008, 11871046167,17754354175,491238608892,508992963067, 1509224535026,85025566924523,171560358384072, 256585925308595,7099380341716137,7355966267024732] |