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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 20 |
| 3 | 20 |
| 4 | 52 |
| 5 | 52 |
| 6 | 52 |
| 7 | 1548 |
| 8 | 5166 |
| 9 | 5166 |
| 10 | 31894 |
| 11 | 137308 |
| 12 | 137308 |
| 13 | 272391 |
| 14 | 569065 |
| 15 | 569065 |
| 16 | 9575722 |
| 17 | 110367538 |
| 18 | 110367538 |
| 19 | 110367538 |
| 20 | 110367538 |
| 21 | 110367538 |
| 22 | 59775617846 |
| 23 | 184563607175 |
| 24 | 184563607175 |
[10,20,20,52,52,52,1548,5166,5166,31894,137308, 137308,272391,569065,569065,9575722,110367538, 110367538,110367538,110367538,110367538, 59775617846,184563607175,184563607175] |