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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 45 |
| 3 | 66 |
| 4 | 1225 |
| 5 | 1326 |
| 6 | 4950 |
| 7 | 5151 |
| 8 | 11175 |
| 9 | 11476 |
| 10 | 31125 |
| 11 | 282376 |
| 12 | 499500 |
| 13 | 501501 |
| 14 | 780625 |
| 15 | 1533876 |
| 16 | 38294376 |
| 17 | 49995000 |
| 18 | 50015001 |
| 19 | 63275625 |
| 20 | 175809376 |
| 21 | 3300740625 |
| 22 | 4999950000 |
| 23 | 5000150001 |
| 24 | 7050959376 |
| 25 | 16425690625 |
| 26 | 23926109376 |
[1,45,66,1225,1326,4950,5151,11175,11476,31125, 282376,499500,501501,780625,1533876,38294376, 49995000,50015001,63275625,175809376,3300740625, 4999950000,5000150001,7050959376,16425690625, 23926109376] |