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| n | a(n) |
|---|---|
| 1 | 543 |
| 2 | 2457 |
| 3 | 8037 |
| 4 | 21436 |
| 5 | 49599 |
| 6 | 103293 |
| 7 | 198297 |
| 8 | 356752 |
| 9 | 608671 |
| 10 | 993609 |
| 11 | 1562493 |
| 12 | 2379612 |
| 13 | 3524767 |
| 14 | 5095581 |
| 15 | 7209969 |
| 16 | 10008768 |
| 17 | 13658527 |
| 18 | 18354457 |
| 19 | 24323541 |
| 20 | 31827804 |
| 21 | 41167743 |
| 22 | 52685917 |
| 23 | 66770697 |
| 24 | 83860176 |
| 25 | 104446239 |
| 26 | 129078793 |
[543,2457,8037,21436,49599,103293,198297,356752, 608671,993609,1562493,2379612,3524767,5095581, 7209969,10008768,13658527,18354457,24323541, 31827804,41167743,52685917,66770697,83860176, 104446239,129078793] |